Home / 21,179.17-29,227.50-13,226.02

Finding the Fourth Proportional to 21,179.17, 29,227.50 and 13,226.02

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Solution

The fourth proportional to 21,179.17, 29,227.50 and 13,226.02 is: 18,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,179.17 : 29,227.50 = 13,226.02 : x
  2. Step 2: Convert to fraction form
    21,179.17/29,227.50 = 13,226.02/x
  3. Step 3: Cross multiply
    21,179.17x = 29,227.50 × 13,226.02
  4. Step 4: Simplify right side
    21,179.17x = 386,563,426.48
  5. Step 5: Solve for x
    x = 386,563,426.48/21,179.17
  6. Step 6: Final answer
    x = 18,252.06

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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.