Home / 15,193.80-22,793.19-6,428.79

Finding the Fourth Proportional to 15,193.80, 22,793.19 and 6,428.79

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Solution

The fourth proportional to 15,193.80, 22,793.19 and 6,428.79 is: 9,644.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193.80 : 22,793.19 = 6,428.79 : x
  2. Step 2: Convert to fraction form
    15,193.80/22,793.19 = 6,428.79/x
  3. Step 3: Cross multiply
    15,193.80x = 22,793.19 × 6,428.79
  4. Step 4: Simplify right side
    15,193.80x = 146,532,631.94
  5. Step 5: Solve for x
    x = 146,532,631.94/15,193.80
  6. Step 6: Final answer
    x = 9,644.24

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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.