Home / 9,387.24-14,081.70-5,489.40

Finding the Fourth Proportional to 9,387.24, 14,081.70 and 5,489.40

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Solution

The fourth proportional to 9,387.24, 14,081.70 and 5,489.40 is: 8,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.24 : 14,081.70 = 5,489.40 : x
  2. Step 2: Convert to fraction form
    9,387.24/14,081.70 = 5,489.40/x
  3. Step 3: Cross multiply
    9,387.24x = 14,081.70 × 5,489.40
  4. Step 4: Simplify right side
    9,387.24x = 77,300,083.98
  5. Step 5: Solve for x
    x = 77,300,083.98/9,387.24
  6. Step 6: Final answer
    x = 8,234.59

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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.