Home / 11,541.12-15,925.62-6,761.58

Finding the Fourth Proportional to 11,541.12, 15,925.62 and 6,761.58

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Solution

The fourth proportional to 11,541.12, 15,925.62 and 6,761.58 is: 9,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,541.12 : 15,925.62 = 6,761.58 : x
  2. Step 2: Convert to fraction form
    11,541.12/15,925.62 = 6,761.58/x
  3. Step 3: Cross multiply
    11,541.12x = 15,925.62 × 6,761.58
  4. Step 4: Simplify right side
    11,541.12x = 107,682,353.68
  5. Step 5: Solve for x
    x = 107,682,353.68/11,541.12
  6. Step 6: Final answer
    x = 9,330.32

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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.