Home / 16,152.10-22,276.56-11,387.92

Finding the Fourth Proportional to 16,152.10, 22,276.56 and 11,387.92

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Solution

The fourth proportional to 16,152.10, 22,276.56 and 11,387.92 is: 15,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,152.10 : 22,276.56 = 11,387.92 : x
  2. Step 2: Convert to fraction form
    16,152.10/22,276.56 = 11,387.92/x
  3. Step 3: Cross multiply
    16,152.10x = 22,276.56 × 11,387.92
  4. Step 4: Simplify right side
    16,152.10x = 253,683,683.16
  5. Step 5: Solve for x
    x = 253,683,683.16/16,152.10
  6. Step 6: Final answer
    x = 15,705.93

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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.