Home / 16,035.48-22,128.32-9,320.78

Finding the Fourth Proportional to 16,035.48, 22,128.32 and 9,320.78

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Solution

The fourth proportional to 16,035.48, 22,128.32 and 9,320.78 is: 12,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,035.48 : 22,128.32 = 9,320.78 : x
  2. Step 2: Convert to fraction form
    16,035.48/22,128.32 = 9,320.78/x
  3. Step 3: Cross multiply
    16,035.48x = 22,128.32 × 9,320.78
  4. Step 4: Simplify right side
    16,035.48x = 206,253,202.49
  5. Step 5: Solve for x
    x = 206,253,202.49/16,035.48
  6. Step 6: Final answer
    x = 12,862.30

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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.