Home / 11,272.12-15,555.40-6,304.12

Finding the Fourth Proportional to 11,272.12, 15,555.40 and 6,304.12

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Solution

The fourth proportional to 11,272.12, 15,555.40 and 6,304.12 is: 8,699.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.12 : 15,555.40 = 6,304.12 : x
  2. Step 2: Convert to fraction form
    11,272.12/15,555.40 = 6,304.12/x
  3. Step 3: Cross multiply
    11,272.12x = 15,555.40 × 6,304.12
  4. Step 4: Simplify right side
    11,272.12x = 98,063,108.25
  5. Step 5: Solve for x
    x = 98,063,108.25/11,272.12
  6. Step 6: Final answer
    x = 8,699.62

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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.