Home / 8,951.15-12,354.08-5,173.66

Finding the Fourth Proportional to 8,951.15, 12,354.08 and 5,173.66

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Solution

The fourth proportional to 8,951.15, 12,354.08 and 5,173.66 is: 7,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.15 : 12,354.08 = 5,173.66 : x
  2. Step 2: Convert to fraction form
    8,951.15/12,354.08 = 5,173.66/x
  3. Step 3: Cross multiply
    8,951.15x = 12,354.08 × 5,173.66
  4. Step 4: Simplify right side
    8,951.15x = 63,915,809.53
  5. Step 5: Solve for x
    x = 63,915,809.53/8,951.15
  6. Step 6: Final answer
    x = 7,140.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.