Home / 10,188.29-15,281.22-2,793.40

Finding the Fourth Proportional to 10,188.29, 15,281.22 and 2,793.40

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Solution

The fourth proportional to 10,188.29, 15,281.22 and 2,793.40 is: 4,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.29 : 15,281.22 = 2,793.40 : x
  2. Step 2: Convert to fraction form
    10,188.29/15,281.22 = 2,793.40/x
  3. Step 3: Cross multiply
    10,188.29x = 15,281.22 × 2,793.40
  4. Step 4: Simplify right side
    10,188.29x = 42,686,559.95
  5. Step 5: Solve for x
    x = 42,686,559.95/10,188.29
  6. Step 6: Final answer
    x = 4,189.77

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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.