Home / 10,302.60-15,449.04-5,371.32

Finding the Fourth Proportional to 10,302.60, 15,449.04 and 5,371.32

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Solution

The fourth proportional to 10,302.60, 15,449.04 and 5,371.32 is: 8,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.60 : 15,449.04 = 5,371.32 : x
  2. Step 2: Convert to fraction form
    10,302.60/15,449.04 = 5,371.32/x
  3. Step 3: Cross multiply
    10,302.60x = 15,449.04 × 5,371.32
  4. Step 4: Simplify right side
    10,302.60x = 82,981,737.53
  5. Step 5: Solve for x
    x = 82,981,737.53/10,302.60
  6. Step 6: Final answer
    x = 8,054.45

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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.