Home / 10,188.92-15,283.38-2,793.42

Finding the Fourth Proportional to 10,188.92, 15,283.38 and 2,793.42

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Solution

The fourth proportional to 10,188.92, 15,283.38 and 2,793.42 is: 4,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.92 : 15,283.38 = 2,793.42 : x
  2. Step 2: Convert to fraction form
    10,188.92/15,283.38 = 2,793.42/x
  3. Step 3: Cross multiply
    10,188.92x = 15,283.38 × 2,793.42
  4. Step 4: Simplify right side
    10,188.92x = 42,692,909.83
  5. Step 5: Solve for x
    x = 42,692,909.83/10,188.92
  6. Step 6: Final answer
    x = 4,190.13

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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.