Home / 13,972.91-20,973.13-10,264.73

Finding the Fourth Proportional to 13,972.91, 20,973.13 and 10,264.73

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Solution

The fourth proportional to 13,972.91, 20,973.13 and 10,264.73 is: 15,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.91 : 20,973.13 = 10,264.73 : x
  2. Step 2: Convert to fraction form
    13,972.91/20,973.13 = 10,264.73/x
  3. Step 3: Cross multiply
    13,972.91x = 20,973.13 × 10,264.73
  4. Step 4: Simplify right side
    13,972.91x = 215,283,411.84
  5. Step 5: Solve for x
    x = 215,283,411.84/13,972.91
  6. Step 6: Final answer
    x = 15,407.21

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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.