Home / 9,940.05-14,877.62-7,306.86

Finding the Fourth Proportional to 9,940.05, 14,877.62 and 7,306.86

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Solution

The fourth proportional to 9,940.05, 14,877.62 and 7,306.86 is: 10,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.05 : 14,877.62 = 7,306.86 : x
  2. Step 2: Convert to fraction form
    9,940.05/14,877.62 = 7,306.86/x
  3. Step 3: Cross multiply
    9,940.05x = 14,877.62 × 7,306.86
  4. Step 4: Simplify right side
    9,940.05x = 108,708,686.47
  5. Step 5: Solve for x
    x = 108,708,686.47/9,940.05
  6. Step 6: Final answer
    x = 10,936.43

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1.5x scale

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.