Home / 11,355.98-17,031.18-3,959.36

Finding the Fourth Proportional to 11,355.98, 17,031.18 and 3,959.36

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Solution

The fourth proportional to 11,355.98, 17,031.18 and 3,959.36 is: 5,938.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.98 : 17,031.18 = 3,959.36 : x
  2. Step 2: Convert to fraction form
    11,355.98/17,031.18 = 3,959.36/x
  3. Step 3: Cross multiply
    11,355.98x = 17,031.18 × 3,959.36
  4. Step 4: Simplify right side
    11,355.98x = 67,432,572.84
  5. Step 5: Solve for x
    x = 67,432,572.84/11,355.98
  6. Step 6: Final answer
    x = 5,938.07

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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.