Home / 10,454.54-14,427.19-5,979.05

Finding the Fourth Proportional to 10,454.54, 14,427.19 and 5,979.05

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Solution

The fourth proportional to 10,454.54, 14,427.19 and 5,979.05 is: 8,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.54 : 14,427.19 = 5,979.05 : x
  2. Step 2: Convert to fraction form
    10,454.54/14,427.19 = 5,979.05/x
  3. Step 3: Cross multiply
    10,454.54x = 14,427.19 × 5,979.05
  4. Step 4: Simplify right side
    10,454.54x = 86,260,961.69
  5. Step 5: Solve for x
    x = 86,260,961.69/10,454.54
  6. Step 6: Final answer
    x = 8,251.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.