Home / 22,211.24-30,646.50-13,260.20

Finding the Fourth Proportional to 22,211.24, 30,646.50 and 13,260.20

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Solution

The fourth proportional to 22,211.24, 30,646.50 and 13,260.20 is: 18,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,211.24 : 30,646.50 = 13,260.20 : x
  2. Step 2: Convert to fraction form
    22,211.24/30,646.50 = 13,260.20/x
  3. Step 3: Cross multiply
    22,211.24x = 30,646.50 × 13,260.20
  4. Step 4: Simplify right side
    22,211.24x = 406,378,719.30
  5. Step 5: Solve for x
    x = 406,378,719.30/22,211.24
  6. Step 6: Final answer
    x = 18,296.08

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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.