Home / 18,304.84-25,260.60-9,921.34

Finding the Fourth Proportional to 18,304.84, 25,260.60 and 9,921.34

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Solution

The fourth proportional to 18,304.84, 25,260.60 and 9,921.34 is: 13,691.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.84 : 25,260.60 = 9,921.34 : x
  2. Step 2: Convert to fraction form
    18,304.84/25,260.60 = 9,921.34/x
  3. Step 3: Cross multiply
    18,304.84x = 25,260.60 × 9,921.34
  4. Step 4: Simplify right side
    18,304.84x = 250,619,001.20
  5. Step 5: Solve for x
    x = 250,619,001.20/18,304.84
  6. Step 6: Final answer
    x = 13,691.41

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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.