Home / 15,271.43-22,891.16-6,391.85

Finding the Fourth Proportional to 15,271.43, 22,891.16 and 6,391.85

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Solution

The fourth proportional to 15,271.43, 22,891.16 and 6,391.85 is: 9,581.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,271.43 : 22,891.16 = 6,391.85 : x
  2. Step 2: Convert to fraction form
    15,271.43/22,891.16 = 6,391.85/x
  3. Step 3: Cross multiply
    15,271.43x = 22,891.16 × 6,391.85
  4. Step 4: Simplify right side
    15,271.43x = 146,316,861.05
  5. Step 5: Solve for x
    x = 146,316,861.05/15,271.43
  6. Step 6: Final answer
    x = 9,581.08

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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.