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Finding the Fourth Proportional to 10,008.12, 15,000.05 and 7,350.99

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Solution

The fourth proportional to 10,008.12, 15,000.05 and 7,350.99 is: 11,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.12 : 15,000.05 = 7,350.99 : x
  2. Step 2: Convert to fraction form
    10,008.12/15,000.05 = 7,350.99/x
  3. Step 3: Cross multiply
    10,008.12x = 15,000.05 × 7,350.99
  4. Step 4: Simplify right side
    10,008.12x = 110,265,180.79
  5. Step 5: Solve for x
    x = 110,265,180.79/10,008.12
  6. Step 6: Final answer
    x = 11,017.57

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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.