Home / 15,127.01-20,872.21-8,838.17

Finding the Fourth Proportional to 15,127.01, 20,872.21 and 8,838.17

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Solution

The fourth proportional to 15,127.01, 20,872.21 and 8,838.17 is: 12,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127.01 : 20,872.21 = 8,838.17 : x
  2. Step 2: Convert to fraction form
    15,127.01/20,872.21 = 8,838.17/x
  3. Step 3: Cross multiply
    15,127.01x = 20,872.21 × 8,838.17
  4. Step 4: Simplify right side
    15,127.01x = 184,472,140.26
  5. Step 5: Solve for x
    x = 184,472,140.26/15,127.01
  6. Step 6: Final answer
    x = 12,194.88

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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.