Home / 14,757.09-20,372.17-9,384.93

Finding the Fourth Proportional to 14,757.09, 20,372.17 and 9,384.93

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Solution

The fourth proportional to 14,757.09, 20,372.17 and 9,384.93 is: 12,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.09 : 20,372.17 = 9,384.93 : x
  2. Step 2: Convert to fraction form
    14,757.09/20,372.17 = 9,384.93/x
  3. Step 3: Cross multiply
    14,757.09x = 20,372.17 × 9,384.93
  4. Step 4: Simplify right side
    14,757.09x = 191,191,342.47
  5. Step 5: Solve for x
    x = 191,191,342.47/14,757.09
  6. Step 6: Final answer
    x = 12,955.90

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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.