Home / 20,180.18-30,262.59-9,228.50

Finding the Fourth Proportional to 20,180.18, 30,262.59 and 9,228.50

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Solution

The fourth proportional to 20,180.18, 30,262.59 and 9,228.50 is: 13,839.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.18 : 30,262.59 = 9,228.50 : x
  2. Step 2: Convert to fraction form
    20,180.18/30,262.59 = 9,228.50/x
  3. Step 3: Cross multiply
    20,180.18x = 30,262.59 × 9,228.50
  4. Step 4: Simplify right side
    20,180.18x = 279,278,311.82
  5. Step 5: Solve for x
    x = 279,278,311.82/20,180.18
  6. Step 6: Final answer
    x = 13,839.24

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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.