Home / 17,888.81-24,691.37-11,170.35

Finding the Fourth Proportional to 17,888.81, 24,691.37 and 11,170.35

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Solution

The fourth proportional to 17,888.81, 24,691.37 and 11,170.35 is: 15,418.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.81 : 24,691.37 = 11,170.35 : x
  2. Step 2: Convert to fraction form
    17,888.81/24,691.37 = 11,170.35/x
  3. Step 3: Cross multiply
    17,888.81x = 24,691.37 × 11,170.35
  4. Step 4: Simplify right side
    17,888.81x = 275,811,189.03
  5. Step 5: Solve for x
    x = 275,811,189.03/17,888.81
  6. Step 6: Final answer
    x = 15,418.09

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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.