Home / 14,709.13-20,299.09-8,658.28

Finding the Fourth Proportional to 14,709.13, 20,299.09 and 8,658.28

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Solution

The fourth proportional to 14,709.13, 20,299.09 and 8,658.28 is: 11,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,709.13 : 20,299.09 = 8,658.28 : x
  2. Step 2: Convert to fraction form
    14,709.13/20,299.09 = 8,658.28/x
  3. Step 3: Cross multiply
    14,709.13x = 20,299.09 × 8,658.28
  4. Step 4: Simplify right side
    14,709.13x = 175,755,204.97
  5. Step 5: Solve for x
    x = 175,755,204.97/14,709.13
  6. Step 6: Final answer
    x = 11,948.72

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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.