Home / 10,169.19-15,254.55-3,149.91

Finding the Fourth Proportional to 10,169.19, 15,254.55 and 3,149.91

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Solution

The fourth proportional to 10,169.19, 15,254.55 and 3,149.91 is: 4,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.19 : 15,254.55 = 3,149.91 : x
  2. Step 2: Convert to fraction form
    10,169.19/15,254.55 = 3,149.91/x
  3. Step 3: Cross multiply
    10,169.19x = 15,254.55 × 3,149.91
  4. Step 4: Simplify right side
    10,169.19x = 48,050,459.59
  5. Step 5: Solve for x
    x = 48,050,459.59/10,169.19
  6. Step 6: Final answer
    x = 4,725.10

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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.