Home / 16,126.80-24,190.20-4,280.55

Finding the Fourth Proportional to 16,126.80, 24,190.20 and 4,280.55

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Solution

The fourth proportional to 16,126.80, 24,190.20 and 4,280.55 is: 6,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,126.80 : 24,190.20 = 4,280.55 : x
  2. Step 2: Convert to fraction form
    16,126.80/24,190.20 = 4,280.55/x
  3. Step 3: Cross multiply
    16,126.80x = 24,190.20 × 4,280.55
  4. Step 4: Simplify right side
    16,126.80x = 103,547,360.61
  5. Step 5: Solve for x
    x = 103,547,360.61/16,126.80
  6. Step 6: Final answer
    x = 6,420.83

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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.