Home / 21,177.59-29,228.03-12,224.93

Finding the Fourth Proportional to 21,177.59, 29,228.03 and 12,224.93

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Solution

The fourth proportional to 21,177.59, 29,228.03 and 12,224.93 is: 16,872.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,177.59 : 29,228.03 = 12,224.93 : x
  2. Step 2: Convert to fraction form
    21,177.59/29,228.03 = 12,224.93/x
  3. Step 3: Cross multiply
    21,177.59x = 29,228.03 × 12,224.93
  4. Step 4: Simplify right side
    21,177.59x = 357,310,724.42
  5. Step 5: Solve for x
    x = 357,310,724.42/21,177.59
  6. Step 6: Final answer
    x = 16,872.11

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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.