Home / 9,139.20-13,694.56-6,371.52

Finding the Fourth Proportional to 9,139.20, 13,694.56 and 6,371.52

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Solution

The fourth proportional to 9,139.20, 13,694.56 and 6,371.52 is: 9,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139.20 : 13,694.56 = 6,371.52 : x
  2. Step 2: Convert to fraction form
    9,139.20/13,694.56 = 6,371.52/x
  3. Step 3: Cross multiply
    9,139.20x = 13,694.56 × 6,371.52
  4. Step 4: Simplify right side
    9,139.20x = 87,255,162.93
  5. Step 5: Solve for x
    x = 87,255,162.93/9,139.20
  6. Step 6: Final answer
    x = 9,547.35

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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.