Home / 11,062.12-15,280.65-8,839.58

Finding the Fourth Proportional to 11,062.12, 15,280.65 and 8,839.58

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Solution

The fourth proportional to 11,062.12, 15,280.65 and 8,839.58 is: 12,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,062.12 : 15,280.65 = 8,839.58 : x
  2. Step 2: Convert to fraction form
    11,062.12/15,280.65 = 8,839.58/x
  3. Step 3: Cross multiply
    11,062.12x = 15,280.65 × 8,839.58
  4. Step 4: Simplify right side
    11,062.12x = 135,074,528.13
  5. Step 5: Solve for x
    x = 135,074,528.13/11,062.12
  6. Step 6: Final answer
    x = 12,210.55

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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.