Home / 17,189.60-23,726.40-10,119.20

Finding the Fourth Proportional to 17,189.60, 23,726.40 and 10,119.20

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Solution

The fourth proportional to 17,189.60, 23,726.40 and 10,119.20 is: 13,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,189.60 : 23,726.40 = 10,119.20 : x
  2. Step 2: Convert to fraction form
    17,189.60/23,726.40 = 10,119.20/x
  3. Step 3: Cross multiply
    17,189.60x = 23,726.40 × 10,119.20
  4. Step 4: Simplify right side
    17,189.60x = 240,092,186.88
  5. Step 5: Solve for x
    x = 240,092,186.88/17,189.60
  6. Step 6: Final answer
    x = 13,967.29

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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.