Home / 10,545.02-15,817.53-3,149.48

Finding the Fourth Proportional to 10,545.02, 15,817.53 and 3,149.48

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Solution

The fourth proportional to 10,545.02, 15,817.53 and 3,149.48 is: 4,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.02 : 15,817.53 = 3,149.48 : x
  2. Step 2: Convert to fraction form
    10,545.02/15,817.53 = 3,149.48/x
  3. Step 3: Cross multiply
    10,545.02x = 15,817.53 × 3,149.48
  4. Step 4: Simplify right side
    10,545.02x = 49,816,915.30
  5. Step 5: Solve for x
    x = 49,816,915.30/10,545.02
  6. Step 6: Final answer
    x = 4,724.21

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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.