Home / 10,306.20-14,232.66-7,127.64

Finding the Fourth Proportional to 10,306.20, 14,232.66 and 7,127.64

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Solution

The fourth proportional to 10,306.20, 14,232.66 and 7,127.64 is: 9,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.20 : 14,232.66 = 7,127.64 : x
  2. Step 2: Convert to fraction form
    10,306.20/14,232.66 = 7,127.64/x
  3. Step 3: Cross multiply
    10,306.20x = 14,232.66 × 7,127.64
  4. Step 4: Simplify right side
    10,306.20x = 101,445,276.72
  5. Step 5: Solve for x
    x = 101,445,276.72/10,306.20
  6. Step 6: Final answer
    x = 9,843.13

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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.