Home / 10,424.53-15,639.19-3,029.60

Finding the Fourth Proportional to 10,424.53, 15,639.19 and 3,029.60

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Solution

The fourth proportional to 10,424.53, 15,639.19 and 3,029.60 is: 4,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.53 : 15,639.19 = 3,029.60 : x
  2. Step 2: Convert to fraction form
    10,424.53/15,639.19 = 3,029.60/x
  3. Step 3: Cross multiply
    10,424.53x = 15,639.19 × 3,029.60
  4. Step 4: Simplify right side
    10,424.53x = 47,380,490.02
  5. Step 5: Solve for x
    x = 47,380,490.02/10,424.53
  6. Step 6: Final answer
    x = 4,545.10

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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.