Home / 20,269.24-30,347.88-10,387.24

Finding the Fourth Proportional to 20,269.24, 30,347.88 and 10,387.24

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Solution

The fourth proportional to 20,269.24, 30,347.88 and 10,387.24 is: 15,552.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269.24 : 30,347.88 = 10,387.24 : x
  2. Step 2: Convert to fraction form
    20,269.24/30,347.88 = 10,387.24/x
  3. Step 3: Cross multiply
    20,269.24x = 30,347.88 × 10,387.24
  4. Step 4: Simplify right side
    20,269.24x = 315,230,713.05
  5. Step 5: Solve for x
    x = 315,230,713.05/20,269.24
  6. Step 6: Final answer
    x = 15,552.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.