Home / 9,695.20-13,371.60-6,159.28

Finding the Fourth Proportional to 9,695.20, 13,371.60 and 6,159.28

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Solution

The fourth proportional to 9,695.20, 13,371.60 and 6,159.28 is: 8,494.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,695.20 : 13,371.60 = 6,159.28 : x
  2. Step 2: Convert to fraction form
    9,695.20/13,371.60 = 6,159.28/x
  3. Step 3: Cross multiply
    9,695.20x = 13,371.60 × 6,159.28
  4. Step 4: Simplify right side
    9,695.20x = 82,359,428.45
  5. Step 5: Solve for x
    x = 82,359,428.45/9,695.20
  6. Step 6: Final answer
    x = 8,494.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.