Home / 17,388.60-23,996.28-9,430.80

Finding the Fourth Proportional to 17,388.60, 23,996.28 and 9,430.80

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Solution

The fourth proportional to 17,388.60, 23,996.28 and 9,430.80 is: 13,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388.60 : 23,996.28 = 9,430.80 : x
  2. Step 2: Convert to fraction form
    17,388.60/23,996.28 = 9,430.80/x
  3. Step 3: Cross multiply
    17,388.60x = 23,996.28 × 9,430.80
  4. Step 4: Simplify right side
    17,388.60x = 226,304,117.42
  5. Step 5: Solve for x
    x = 226,304,117.42/17,388.60
  6. Step 6: Final answer
    x = 13,014.51

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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.