Home / 12,742.08-19,101.34-11,691.03

Finding the Fourth Proportional to 12,742.08, 19,101.34 and 11,691.03

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Solution

The fourth proportional to 12,742.08, 19,101.34 and 11,691.03 is: 17,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742.08 : 19,101.34 = 11,691.03 : x
  2. Step 2: Convert to fraction form
    12,742.08/19,101.34 = 11,691.03/x
  3. Step 3: Cross multiply
    12,742.08x = 19,101.34 × 11,691.03
  4. Step 4: Simplify right side
    12,742.08x = 223,314,359.46
  5. Step 5: Solve for x
    x = 223,314,359.46/12,742.08
  6. Step 6: Final answer
    x = 17,525.74

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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.