Home / 8,982.45-12,397.59-6,155.55

Finding the Fourth Proportional to 8,982.45, 12,397.59 and 6,155.55

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Solution

The fourth proportional to 8,982.45, 12,397.59 and 6,155.55 is: 8,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.45 : 12,397.59 = 6,155.55 : x
  2. Step 2: Convert to fraction form
    8,982.45/12,397.59 = 6,155.55/x
  3. Step 3: Cross multiply
    8,982.45x = 12,397.59 × 6,155.55
  4. Step 4: Simplify right side
    8,982.45x = 76,313,985.12
  5. Step 5: Solve for x
    x = 76,313,985.12/8,982.45
  6. Step 6: Final answer
    x = 8,495.90

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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.