Home / 16,996.48-25,496.20-5,309.76

Finding the Fourth Proportional to 16,996.48, 25,496.20 and 5,309.76

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Solution

The fourth proportional to 16,996.48, 25,496.20 and 5,309.76 is: 7,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,996.48 : 25,496.20 = 5,309.76 : x
  2. Step 2: Convert to fraction form
    16,996.48/25,496.20 = 5,309.76/x
  3. Step 3: Cross multiply
    16,996.48x = 25,496.20 × 5,309.76
  4. Step 4: Simplify right side
    16,996.48x = 135,378,702.91
  5. Step 5: Solve for x
    x = 135,378,702.91/16,996.48
  6. Step 6: Final answer
    x = 7,965.10

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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.