Home / 13,165.30-19,747.95-3,304.90

Finding the Fourth Proportional to 13,165.30, 19,747.95 and 3,304.90

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Solution

The fourth proportional to 13,165.30, 19,747.95 and 3,304.90 is: 4,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.30 : 19,747.95 = 3,304.90 : x
  2. Step 2: Convert to fraction form
    13,165.30/19,747.95 = 3,304.90/x
  3. Step 3: Cross multiply
    13,165.30x = 19,747.95 × 3,304.90
  4. Step 4: Simplify right side
    13,165.30x = 65,264,999.96
  5. Step 5: Solve for x
    x = 65,264,999.96/13,165.30
  6. Step 6: Final answer
    x = 4,957.35

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Similar ratio
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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.