Home / 21,598.05-29,805.17-12,169.65

Finding the Fourth Proportional to 21,598.05, 29,805.17 and 12,169.65

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Solution

The fourth proportional to 21,598.05, 29,805.17 and 12,169.65 is: 16,794.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,598.05 : 29,805.17 = 12,169.65 : x
  2. Step 2: Convert to fraction form
    21,598.05/29,805.17 = 12,169.65/x
  3. Step 3: Cross multiply
    21,598.05x = 29,805.17 × 12,169.65
  4. Step 4: Simplify right side
    21,598.05x = 362,718,368.49
  5. Step 5: Solve for x
    x = 362,718,368.49/21,598.05
  6. Step 6: Final answer
    x = 16,794.04

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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.