Home / 15,447.70-23,143.20-8,854.30

Finding the Fourth Proportional to 15,447.70, 23,143.20 and 8,854.30

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Solution

The fourth proportional to 15,447.70, 23,143.20 and 8,854.30 is: 13,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.70 : 23,143.20 = 8,854.30 : x
  2. Step 2: Convert to fraction form
    15,447.70/23,143.20 = 8,854.30/x
  3. Step 3: Cross multiply
    15,447.70x = 23,143.20 × 8,854.30
  4. Step 4: Simplify right side
    15,447.70x = 204,916,835.76
  5. Step 5: Solve for x
    x = 204,916,835.76/15,447.70
  6. Step 6: Final answer
    x = 13,265.20

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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.