Home / 19,600.92-29,390.31-6,449.76

Finding the Fourth Proportional to 19,600.92, 29,390.31 and 6,449.76

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Solution

The fourth proportional to 19,600.92, 29,390.31 and 6,449.76 is: 9,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,600.92 : 29,390.31 = 6,449.76 : x
  2. Step 2: Convert to fraction form
    19,600.92/29,390.31 = 6,449.76/x
  3. Step 3: Cross multiply
    19,600.92x = 29,390.31 × 6,449.76
  4. Step 4: Simplify right side
    19,600.92x = 189,560,445.83
  5. Step 5: Solve for x
    x = 189,560,445.83/19,600.92
  6. Step 6: Final answer
    x = 9,671.00

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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.