Home / 22,835.20-31,512.50-12,763.64

Finding the Fourth Proportional to 22,835.20, 31,512.50 and 12,763.64

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Solution

The fourth proportional to 22,835.20, 31,512.50 and 12,763.64 is: 17,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,835.20 : 31,512.50 = 12,763.64 : x
  2. Step 2: Convert to fraction form
    22,835.20/31,512.50 = 12,763.64/x
  3. Step 3: Cross multiply
    22,835.20x = 31,512.50 × 12,763.64
  4. Step 4: Simplify right side
    22,835.20x = 402,214,205.50
  5. Step 5: Solve for x
    x = 402,214,205.50/22,835.20
  6. Step 6: Final answer
    x = 17,613.78

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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.