Home / 11,752.29-17,605.67-7,311.71

Finding the Fourth Proportional to 11,752.29, 17,605.67 and 7,311.71

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Solution

The fourth proportional to 11,752.29, 17,605.67 and 7,311.71 is: 10,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.29 : 17,605.67 = 7,311.71 : x
  2. Step 2: Convert to fraction form
    11,752.29/17,605.67 = 7,311.71/x
  3. Step 3: Cross multiply
    11,752.29x = 17,605.67 × 7,311.71
  4. Step 4: Simplify right side
    11,752.29x = 128,727,553.40
  5. Step 5: Solve for x
    x = 128,727,553.40/11,752.29
  6. Step 6: Final answer
    x = 10,953.40

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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.