Home / 10,372.40-15,546.30-5,980.79

Finding the Fourth Proportional to 10,372.40, 15,546.30 and 5,980.79

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Solution

The fourth proportional to 10,372.40, 15,546.30 and 5,980.79 is: 8,964.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.40 : 15,546.30 = 5,980.79 : x
  2. Step 2: Convert to fraction form
    10,372.40/15,546.30 = 5,980.79/x
  3. Step 3: Cross multiply
    10,372.40x = 15,546.30 × 5,980.79
  4. Step 4: Simplify right side
    10,372.40x = 92,979,155.58
  5. Step 5: Solve for x
    x = 92,979,155.58/10,372.40
  6. Step 6: Final answer
    x = 8,964.09

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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.