Home / 10,660.29-15,971.28-6,275.35

Finding the Fourth Proportional to 10,660.29, 15,971.28 and 6,275.35

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Solution

The fourth proportional to 10,660.29, 15,971.28 and 6,275.35 is: 9,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.29 : 15,971.28 = 6,275.35 : x
  2. Step 2: Convert to fraction form
    10,660.29/15,971.28 = 6,275.35/x
  3. Step 3: Cross multiply
    10,660.29x = 15,971.28 × 6,275.35
  4. Step 4: Simplify right side
    10,660.29x = 100,225,371.95
  5. Step 5: Solve for x
    x = 100,225,371.95/10,660.29
  6. Step 6: Final answer
    x = 9,401.75

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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.