Home / 10,326.04-15,490.20-3,304.40

Finding the Fourth Proportional to 10,326.04, 15,490.20 and 3,304.40

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Solution

The fourth proportional to 10,326.04, 15,490.20 and 3,304.40 is: 4,956.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.04 : 15,490.20 = 3,304.40 : x
  2. Step 2: Convert to fraction form
    10,326.04/15,490.20 = 3,304.40/x
  3. Step 3: Cross multiply
    10,326.04x = 15,490.20 × 3,304.40
  4. Step 4: Simplify right side
    10,326.04x = 51,185,855.61
  5. Step 5: Solve for x
    x = 51,185,855.61/10,326.04
  6. Step 6: Final answer
    x = 4,956.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.