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Finding the Fourth Proportional to 12,737.70, 17,579.13 and 7,073.54

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Solution

The fourth proportional to 12,737.70, 17,579.13 and 7,073.54 is: 9,762.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.70 : 17,579.13 = 7,073.54 : x
  2. Step 2: Convert to fraction form
    12,737.70/17,579.13 = 7,073.54/x
  3. Step 3: Cross multiply
    12,737.70x = 17,579.13 × 7,073.54
  4. Step 4: Simplify right side
    12,737.70x = 124,346,591.32
  5. Step 5: Solve for x
    x = 124,346,591.32/12,737.70
  6. Step 6: Final answer
    x = 9,762.09

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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.