Home / 19,473.71-29,221.50-7,787.84

Finding the Fourth Proportional to 19,473.71, 29,221.50 and 7,787.84

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Solution

The fourth proportional to 19,473.71, 29,221.50 and 7,787.84 is: 11,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,473.71 : 29,221.50 = 7,787.84 : x
  2. Step 2: Convert to fraction form
    19,473.71/29,221.50 = 7,787.84/x
  3. Step 3: Cross multiply
    19,473.71x = 29,221.50 × 7,787.84
  4. Step 4: Simplify right side
    19,473.71x = 227,572,366.56
  5. Step 5: Solve for x
    x = 227,572,366.56/19,473.71
  6. Step 6: Final answer
    x = 11,686.13

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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.