Home / 12,502.28-17,218.14-12,230.12

Finding the Fourth Proportional to 12,502.28, 17,218.14 and 12,230.12

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Solution

The fourth proportional to 12,502.28, 17,218.14 and 12,230.12 is: 16,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.28 : 17,218.14 = 12,230.12 : x
  2. Step 2: Convert to fraction form
    12,502.28/17,218.14 = 12,230.12/x
  3. Step 3: Cross multiply
    12,502.28x = 17,218.14 × 12,230.12
  4. Step 4: Simplify right side
    12,502.28x = 210,579,832.29
  5. Step 5: Solve for x
    x = 210,579,832.29/12,502.28
  6. Step 6: Final answer
    x = 16,843.32

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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.