Home / 20,211.24-30,260.88-10,329.24

Finding the Fourth Proportional to 20,211.24, 30,260.88 and 10,329.24

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Solution

The fourth proportional to 20,211.24, 30,260.88 and 10,329.24 is: 15,465.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211.24 : 30,260.88 = 10,329.24 : x
  2. Step 2: Convert to fraction form
    20,211.24/30,260.88 = 10,329.24/x
  3. Step 3: Cross multiply
    20,211.24x = 30,260.88 × 10,329.24
  4. Step 4: Simplify right side
    20,211.24x = 312,571,892.13
  5. Step 5: Solve for x
    x = 312,571,892.13/20,211.24
  6. Step 6: Final answer
    x = 15,465.25

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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.