Home / 16,649.20-22,929.12-16,286.32

Finding the Fourth Proportional to 16,649.20, 22,929.12 and 16,286.32

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Solution

The fourth proportional to 16,649.20, 22,929.12 and 16,286.32 is: 22,429.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,649.20 : 22,929.12 = 16,286.32 : x
  2. Step 2: Convert to fraction form
    16,649.20/22,929.12 = 16,286.32/x
  3. Step 3: Cross multiply
    16,649.20x = 22,929.12 × 16,286.32
  4. Step 4: Simplify right side
    16,649.20x = 373,430,985.64
  5. Step 5: Solve for x
    x = 373,430,985.64/16,649.20
  6. Step 6: Final answer
    x = 22,429.37

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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.