Home / 10,996.40-16,481.64-6,615.92

Finding the Fourth Proportional to 10,996.40, 16,481.64 and 6,615.92

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Solution

The fourth proportional to 10,996.40, 16,481.64 and 6,615.92 is: 9,916.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.40 : 16,481.64 = 6,615.92 : x
  2. Step 2: Convert to fraction form
    10,996.40/16,481.64 = 6,615.92/x
  3. Step 3: Cross multiply
    10,996.40x = 16,481.64 × 6,615.92
  4. Step 4: Simplify right side
    10,996.40x = 109,041,211.71
  5. Step 5: Solve for x
    x = 109,041,211.71/10,996.40
  6. Step 6: Final answer
    x = 9,916.08

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1.5x scale

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.