Home / 10,112.55-15,089.72-9,061.85

Finding the Fourth Proportional to 10,112.55, 15,089.72 and 9,061.85

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Solution

The fourth proportional to 10,112.55, 15,089.72 and 9,061.85 is: 13,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.55 : 15,089.72 = 9,061.85 : x
  2. Step 2: Convert to fraction form
    10,112.55/15,089.72 = 9,061.85/x
  3. Step 3: Cross multiply
    10,112.55x = 15,089.72 × 9,061.85
  4. Step 4: Simplify right side
    10,112.55x = 136,740,703.73
  5. Step 5: Solve for x
    x = 136,740,703.73/10,112.55
  6. Step 6: Final answer
    x = 13,521.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.