Home / 10,727.07-16,068.47-7,956.87

Finding the Fourth Proportional to 10,727.07, 16,068.47 and 7,956.87

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Solution

The fourth proportional to 10,727.07, 16,068.47 and 7,956.87 is: 11,918.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,727.07 : 16,068.47 = 7,956.87 : x
  2. Step 2: Convert to fraction form
    10,727.07/16,068.47 = 7,956.87/x
  3. Step 3: Cross multiply
    10,727.07x = 16,068.47 × 7,956.87
  4. Step 4: Simplify right side
    10,727.07x = 127,854,687.10
  5. Step 5: Solve for x
    x = 127,854,687.10/10,727.07
  6. Step 6: Final answer
    x = 11,918.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.