Home / 12,427.60-18,641.12-5,850.16

Finding the Fourth Proportional to 12,427.60, 18,641.12 and 5,850.16

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Solution

The fourth proportional to 12,427.60, 18,641.12 and 5,850.16 is: 8,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.60 : 18,641.12 = 5,850.16 : x
  2. Step 2: Convert to fraction form
    12,427.60/18,641.12 = 5,850.16/x
  3. Step 3: Cross multiply
    12,427.60x = 18,641.12 × 5,850.16
  4. Step 4: Simplify right side
    12,427.60x = 109,053,534.58
  5. Step 5: Solve for x
    x = 109,053,534.58/12,427.60
  6. Step 6: Final answer
    x = 8,775.11

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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.