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Finding the Fourth Proportional to 12,000.04, 16,555.66 and 7,524

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Solution

The fourth proportional to 12,000.04, 16,555.66 and 7,524 is: 10,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.04 : 16,555.66 = 7,524 : x
  2. Step 2: Convert to fraction form
    12,000.04/16,555.66 = 7,524/x
  3. Step 3: Cross multiply
    12,000.04x = 16,555.66 × 7,524
  4. Step 4: Simplify right side
    12,000.04x = 124,564,785.84
  5. Step 5: Solve for x
    x = 124,564,785.84/12,000.04
  6. Step 6: Final answer
    x = 10,380.36

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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.