Home / 22,146.99-30,565.22-13,647.30

Finding the Fourth Proportional to 22,146.99, 30,565.22 and 13,647.30

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Solution

The fourth proportional to 22,146.99, 30,565.22 and 13,647.30 is: 18,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,146.99 : 30,565.22 = 13,647.30 : x
  2. Step 2: Convert to fraction form
    22,146.99/30,565.22 = 13,647.30/x
  3. Step 3: Cross multiply
    22,146.99x = 30,565.22 × 13,647.30
  4. Step 4: Simplify right side
    22,146.99x = 417,132,726.91
  5. Step 5: Solve for x
    x = 417,132,726.91/22,146.99
  6. Step 6: Final answer
    x = 18,834.74

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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.