Home / 10,325.25-15,486.26-8,581.46

Finding the Fourth Proportional to 10,325.25, 15,486.26 and 8,581.46

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Solution

The fourth proportional to 10,325.25, 15,486.26 and 8,581.46 is: 12,870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.25 : 15,486.26 = 8,581.46 : x
  2. Step 2: Convert to fraction form
    10,325.25/15,486.26 = 8,581.46/x
  3. Step 3: Cross multiply
    10,325.25x = 15,486.26 × 8,581.46
  4. Step 4: Simplify right side
    10,325.25x = 132,894,600.40
  5. Step 5: Solve for x
    x = 132,894,600.40/10,325.25
  6. Step 6: Final answer
    x = 12,870.84

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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.