Home / 15,103.55-22,553.60-12,335.71

Finding the Fourth Proportional to 15,103.55, 22,553.60 and 12,335.71

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Solution

The fourth proportional to 15,103.55, 22,553.60 and 12,335.71 is: 18,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103.55 : 22,553.60 = 12,335.71 : x
  2. Step 2: Convert to fraction form
    15,103.55/22,553.60 = 12,335.71/x
  3. Step 3: Cross multiply
    15,103.55x = 22,553.60 × 12,335.71
  4. Step 4: Simplify right side
    15,103.55x = 278,214,669.06
  5. Step 5: Solve for x
    x = 278,214,669.06/15,103.55
  6. Step 6: Final answer
    x = 18,420.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.