Home / 10,168.61-15,254.28-3,149.19

Finding the Fourth Proportional to 10,168.61, 15,254.28 and 3,149.19

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Solution

The fourth proportional to 10,168.61, 15,254.28 and 3,149.19 is: 4,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.61 : 15,254.28 = 3,149.19 : x
  2. Step 2: Convert to fraction form
    10,168.61/15,254.28 = 3,149.19/x
  3. Step 3: Cross multiply
    10,168.61x = 15,254.28 × 3,149.19
  4. Step 4: Simplify right side
    10,168.61x = 48,038,626.03
  5. Step 5: Solve for x
    x = 48,038,626.03/10,168.61
  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.