Home / 18,210.69-25,136.33-10,658.79

Finding the Fourth Proportional to 18,210.69, 25,136.33 and 10,658.79

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Solution

The fourth proportional to 18,210.69, 25,136.33 and 10,658.79 is: 14,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.69 : 25,136.33 = 10,658.79 : x
  2. Step 2: Convert to fraction form
    18,210.69/25,136.33 = 10,658.79/x
  3. Step 3: Cross multiply
    18,210.69x = 25,136.33 × 10,658.79
  4. Step 4: Simplify right side
    18,210.69x = 267,922,809.55
  5. Step 5: Solve for x
    x = 267,922,809.55/18,210.69
  6. Step 6: Final answer
    x = 14,712.39

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.