Home / 45,398.10-68,097.16-12,118.28

Finding the Fourth Proportional to 45,398.10, 68,097.16 and 12,118.28

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Solution

The fourth proportional to 45,398.10, 68,097.16 and 12,118.28 is: 18,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,398.10 : 68,097.16 = 12,118.28 : x
  2. Step 2: Convert to fraction form
    45,398.10/68,097.16 = 12,118.28/x
  3. Step 3: Cross multiply
    45,398.10x = 68,097.16 × 12,118.28
  4. Step 4: Simplify right side
    45,398.10x = 825,220,452.08
  5. Step 5: Solve for x
    x = 825,220,452.08/45,398.10
  6. Step 6: Final answer
    x = 18,177.42

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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.