Home / 22,069.29-30,460.05-13,115.07

Finding the Fourth Proportional to 22,069.29, 30,460.05 and 13,115.07

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Solution

The fourth proportional to 22,069.29, 30,460.05 and 13,115.07 is: 18,101.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,069.29 : 30,460.05 = 13,115.07 : x
  2. Step 2: Convert to fraction form
    22,069.29/30,460.05 = 13,115.07/x
  3. Step 3: Cross multiply
    22,069.29x = 30,460.05 × 13,115.07
  4. Step 4: Simplify right side
    22,069.29x = 399,485,687.95
  5. Step 5: Solve for x
    x = 399,485,687.95/22,069.29
  6. Step 6: Final answer
    x = 18,101.43

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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.