Home / 10,143.48-15,217.30-3,903.48

Finding the Fourth Proportional to 10,143.48, 15,217.30 and 3,903.48

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Solution

The fourth proportional to 10,143.48, 15,217.30 and 3,903.48 is: 5,856.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.48 : 15,217.30 = 3,903.48 : x
  2. Step 2: Convert to fraction form
    10,143.48/15,217.30 = 3,903.48/x
  3. Step 3: Cross multiply
    10,143.48x = 15,217.30 × 3,903.48
  4. Step 4: Simplify right side
    10,143.48x = 59,400,426.20
  5. Step 5: Solve for x
    x = 59,400,426.20/10,143.48
  6. Step 6: Final answer
    x = 5,856.02

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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.