Home / 10,347.18-15,515.09-4,100.86

Finding the Fourth Proportional to 10,347.18, 15,515.09 and 4,100.86

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Solution

The fourth proportional to 10,347.18, 15,515.09 and 4,100.86 is: 6,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.18 : 15,515.09 = 4,100.86 : x
  2. Step 2: Convert to fraction form
    10,347.18/15,515.09 = 4,100.86/x
  3. Step 3: Cross multiply
    10,347.18x = 15,515.09 × 4,100.86
  4. Step 4: Simplify right side
    10,347.18x = 63,625,211.98
  5. Step 5: Solve for x
    x = 63,625,211.98/10,347.18
  6. Step 6: Final answer
    x = 6,149.04

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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.