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Finding the Fourth Proportional to 15,910.66, 23,854.62 and 7,472.45

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Solution

The fourth proportional to 15,910.66, 23,854.62 and 7,472.45 is: 11,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,910.66 : 23,854.62 = 7,472.45 : x
  2. Step 2: Convert to fraction form
    15,910.66/23,854.62 = 7,472.45/x
  3. Step 3: Cross multiply
    15,910.66x = 23,854.62 × 7,472.45
  4. Step 4: Simplify right side
    15,910.66x = 178,252,408.69
  5. Step 5: Solve for x
    x = 178,252,408.69/15,910.66
  6. Step 6: Final answer
    x = 11,203.34

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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.