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Finding the Fourth Proportional to 11,593.71, 15,993.45 and 7,337.66

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Solution

The fourth proportional to 11,593.71, 15,993.45 and 7,337.66 is: 10,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,593.71 : 15,993.45 = 7,337.66 : x
  2. Step 2: Convert to fraction form
    11,593.71/15,993.45 = 7,337.66/x
  3. Step 3: Cross multiply
    11,593.71x = 15,993.45 × 7,337.66
  4. Step 4: Simplify right side
    11,593.71x = 117,354,418.36
  5. Step 5: Solve for x
    x = 117,354,418.36/11,593.71
  6. Step 6: Final answer
    x = 10,122.25

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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.