Home / 12,742.24-17,579.38-9,393.01

Finding the Fourth Proportional to 12,742.24, 17,579.38 and 9,393.01

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Solution

The fourth proportional to 12,742.24, 17,579.38 and 9,393.01 is: 12,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742.24 : 17,579.38 = 9,393.01 : x
  2. Step 2: Convert to fraction form
    12,742.24/17,579.38 = 9,393.01/x
  3. Step 3: Cross multiply
    12,742.24x = 17,579.38 × 9,393.01
  4. Step 4: Simplify right side
    12,742.24x = 165,123,341.20
  5. Step 5: Solve for x
    x = 165,123,341.20/12,742.24
  6. Step 6: Final answer
    x = 12,958.74

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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.