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Finding the Fourth Proportional to 9,000.92, 13,501.38 and 7,458.68

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Solution

The fourth proportional to 9,000.92, 13,501.38 and 7,458.68 is: 11,188.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.92 : 13,501.38 = 7,458.68 : x
  2. Step 2: Convert to fraction form
    9,000.92/13,501.38 = 7,458.68/x
  3. Step 3: Cross multiply
    9,000.92x = 13,501.38 × 7,458.68
  4. Step 4: Simplify right side
    9,000.92x = 100,702,534.70
  5. Step 5: Solve for x
    x = 100,702,534.70/9,000.92
  6. Step 6: Final answer
    x = 11,188.02

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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.