Home / 12,902.49-19,362.38-5,508.68

Finding the Fourth Proportional to 12,902.49, 19,362.38 and 5,508.68

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Solution

The fourth proportional to 12,902.49, 19,362.38 and 5,508.68 is: 8,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902.49 : 19,362.38 = 5,508.68 : x
  2. Step 2: Convert to fraction form
    12,902.49/19,362.38 = 5,508.68/x
  3. Step 3: Cross multiply
    12,902.49x = 19,362.38 × 5,508.68
  4. Step 4: Simplify right side
    12,902.49x = 106,661,031.10
  5. Step 5: Solve for x
    x = 106,661,031.10/12,902.49
  6. Step 6: Final answer
    x = 8,266.70

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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.