Home / 11,340.80-15,648.48-6,304.96

Finding the Fourth Proportional to 11,340.80, 15,648.48 and 6,304.96

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Solution

The fourth proportional to 11,340.80, 15,648.48 and 6,304.96 is: 8,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.80 : 15,648.48 = 6,304.96 : x
  2. Step 2: Convert to fraction form
    11,340.80/15,648.48 = 6,304.96/x
  3. Step 3: Cross multiply
    11,340.80x = 15,648.48 × 6,304.96
  4. Step 4: Simplify right side
    11,340.80x = 98,663,040.46
  5. Step 5: Solve for x
    x = 98,663,040.46/11,340.80
  6. Step 6: Final answer
    x = 8,699.83

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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.