Home / 18,280.18-25,226.76-9,896.68

Finding the Fourth Proportional to 18,280.18, 25,226.76 and 9,896.68

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Solution

The fourth proportional to 18,280.18, 25,226.76 and 9,896.68 is: 13,657.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.18 : 25,226.76 = 9,896.68 : x
  2. Step 2: Convert to fraction form
    18,280.18/25,226.76 = 9,896.68/x
  3. Step 3: Cross multiply
    18,280.18x = 25,226.76 × 9,896.68
  4. Step 4: Simplify right side
    18,280.18x = 249,661,171.16
  5. Step 5: Solve for x
    x = 249,661,171.16/18,280.18
  6. Step 6: Final answer
    x = 13,657.48

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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.