Home / 10,290.47-15,419.30-6,589.65

Finding the Fourth Proportional to 10,290.47, 15,419.30 and 6,589.65

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Solution

The fourth proportional to 10,290.47, 15,419.30 and 6,589.65 is: 9,873.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.47 : 15,419.30 = 6,589.65 : x
  2. Step 2: Convert to fraction form
    10,290.47/15,419.30 = 6,589.65/x
  3. Step 3: Cross multiply
    10,290.47x = 15,419.30 × 6,589.65
  4. Step 4: Simplify right side
    10,290.47x = 101,607,757.30
  5. Step 5: Solve for x
    x = 101,607,757.30/10,290.47
  6. Step 6: Final answer
    x = 9,873.97

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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.