Home / 13,304.20-18,359.04-7,335.88

Finding the Fourth Proportional to 13,304.20, 18,359.04 and 7,335.88

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Solution

The fourth proportional to 13,304.20, 18,359.04 and 7,335.88 is: 10,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.20 : 18,359.04 = 7,335.88 : x
  2. Step 2: Convert to fraction form
    13,304.20/18,359.04 = 7,335.88/x
  3. Step 3: Cross multiply
    13,304.20x = 18,359.04 × 7,335.88
  4. Step 4: Simplify right side
    13,304.20x = 134,679,714.36
  5. Step 5: Solve for x
    x = 134,679,714.36/13,304.20
  6. Step 6: Final answer
    x = 10,123.10

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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.