Home / 10,343.92-15,511.28-2,946.70

Finding the Fourth Proportional to 10,343.92, 15,511.28 and 2,946.70

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Solution

The fourth proportional to 10,343.92, 15,511.28 and 2,946.70 is: 4,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.92 : 15,511.28 = 2,946.70 : x
  2. Step 2: Convert to fraction form
    10,343.92/15,511.28 = 2,946.70/x
  3. Step 3: Cross multiply
    10,343.92x = 15,511.28 × 2,946.70
  4. Step 4: Simplify right side
    10,343.92x = 45,707,088.78
  5. Step 5: Solve for x
    x = 45,707,088.78/10,343.92
  6. Step 6: Final answer
    x = 4,418.74

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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.