Home / 19,947.64-29,925.04-8,261.76

Finding the Fourth Proportional to 19,947.64, 29,925.04 and 8,261.76

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Solution

The fourth proportional to 19,947.64, 29,925.04 and 8,261.76 is: 12,394.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.64 : 29,925.04 = 8,261.76 : x
  2. Step 2: Convert to fraction form
    19,947.64/29,925.04 = 8,261.76/x
  3. Step 3: Cross multiply
    19,947.64x = 29,925.04 × 8,261.76
  4. Step 4: Simplify right side
    19,947.64x = 247,233,498.47
  5. Step 5: Solve for x
    x = 247,233,498.47/19,947.64
  6. Step 6: Final answer
    x = 12,394.12

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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.