Home / 10,060.80-15,031.64-9,716.28

Finding the Fourth Proportional to 10,060.80, 15,031.64 and 9,716.28

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Solution

The fourth proportional to 10,060.80, 15,031.64 and 9,716.28 is: 14,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,060.80 : 15,031.64 = 9,716.28 : x
  2. Step 2: Convert to fraction form
    10,060.80/15,031.64 = 9,716.28/x
  3. Step 3: Cross multiply
    10,060.80x = 15,031.64 × 9,716.28
  4. Step 4: Simplify right side
    10,060.80x = 146,051,623.10
  5. Step 5: Solve for x
    x = 146,051,623.10/10,060.80
  6. Step 6: Final answer
    x = 14,516.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.