Home / 10,455.14-14,427.92-5,979.30

Finding the Fourth Proportional to 10,455.14, 14,427.92 and 5,979.30

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Solution

The fourth proportional to 10,455.14, 14,427.92 and 5,979.30 is: 8,251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.14 : 14,427.92 = 5,979.30 : x
  2. Step 2: Convert to fraction form
    10,455.14/14,427.92 = 5,979.30/x
  3. Step 3: Cross multiply
    10,455.14x = 14,427.92 × 5,979.30
  4. Step 4: Simplify right side
    10,455.14x = 86,268,832.16
  5. Step 5: Solve for x
    x = 86,268,832.16/10,455.14
  6. Step 6: Final answer
    x = 8,251.34

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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.