Home / 15,646.42-21,592.74-8,572.69

Finding the Fourth Proportional to 15,646.42, 21,592.74 and 8,572.69

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Solution

The fourth proportional to 15,646.42, 21,592.74 and 8,572.69 is: 11,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.42 : 21,592.74 = 8,572.69 : x
  2. Step 2: Convert to fraction form
    15,646.42/21,592.74 = 8,572.69/x
  3. Step 3: Cross multiply
    15,646.42x = 21,592.74 × 8,572.69
  4. Step 4: Simplify right side
    15,646.42x = 185,107,866.27
  5. Step 5: Solve for x
    x = 185,107,866.27/15,646.42
  6. Step 6: Final answer
    x = 11,830.68

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Half scale
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Double scale
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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.