Home / 14,933.56-20,610.84-8,649.76

Finding the Fourth Proportional to 14,933.56, 20,610.84 and 8,649.76

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Solution

The fourth proportional to 14,933.56, 20,610.84 and 8,649.76 is: 11,938.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,933.56 : 20,610.84 = 8,649.76 : x
  2. Step 2: Convert to fraction form
    14,933.56/20,610.84 = 8,649.76/x
  3. Step 3: Cross multiply
    14,933.56x = 20,610.84 × 8,649.76
  4. Step 4: Simplify right side
    14,933.56x = 178,278,819.40
  5. Step 5: Solve for x
    x = 178,278,819.40/14,933.56
  6. Step 6: Final answer
    x = 11,938.13

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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.