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Finding the Fourth Proportional to 10,000.70, 14,964.60 and 9,125.90

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Solution

The fourth proportional to 10,000.70, 14,964.60 and 9,125.90 is: 13,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.70 : 14,964.60 = 9,125.90 : x
  2. Step 2: Convert to fraction form
    10,000.70/14,964.60 = 9,125.90/x
  3. Step 3: Cross multiply
    10,000.70x = 14,964.60 × 9,125.90
  4. Step 4: Simplify right side
    10,000.70x = 136,565,443.14
  5. Step 5: Solve for x
    x = 136,565,443.14/10,000.70
  6. Step 6: Final answer
    x = 13,655.59

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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.