Home / 10,013.46-15,008.46-4,086.65

Finding the Fourth Proportional to 10,013.46, 15,008.46 and 4,086.65

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Solution

The fourth proportional to 10,013.46, 15,008.46 and 4,086.65 is: 6,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.46 : 15,008.46 = 4,086.65 : x
  2. Step 2: Convert to fraction form
    10,013.46/15,008.46 = 4,086.65/x
  3. Step 3: Cross multiply
    10,013.46x = 15,008.46 × 4,086.65
  4. Step 4: Simplify right side
    10,013.46x = 61,334,248.02
  5. Step 5: Solve for x
    x = 61,334,248.02/10,013.46
  6. Step 6: Final answer
    x = 6,125.18

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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.