Home / 12,113.60-16,733.76-9,354.56

Finding the Fourth Proportional to 12,113.60, 16,733.76 and 9,354.56

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Solution

The fourth proportional to 12,113.60, 16,733.76 and 9,354.56 is: 12,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.60 : 16,733.76 = 9,354.56 : x
  2. Step 2: Convert to fraction form
    12,113.60/16,733.76 = 9,354.56/x
  3. Step 3: Cross multiply
    12,113.60x = 16,733.76 × 9,354.56
  4. Step 4: Simplify right side
    12,113.60x = 156,536,961.95
  5. Step 5: Solve for x
    x = 156,536,961.95/12,113.60
  6. Step 6: Final answer
    x = 12,922.41

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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.