Home / 21,593.42-29,798.79-12,165.02

Finding the Fourth Proportional to 21,593.42, 29,798.79 and 12,165.02

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Solution

The fourth proportional to 21,593.42, 29,798.79 and 12,165.02 is: 16,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,593.42 : 29,798.79 = 12,165.02 : x
  2. Step 2: Convert to fraction form
    21,593.42/29,798.79 = 12,165.02/x
  3. Step 3: Cross multiply
    21,593.42x = 29,798.79 × 12,165.02
  4. Step 4: Simplify right side
    21,593.42x = 362,502,876.33
  5. Step 5: Solve for x
    x = 362,502,876.33/21,593.42
  6. Step 6: Final answer
    x = 16,787.65

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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.