Home / 11,641.20-16,066.20-6,925.44

Finding the Fourth Proportional to 11,641.20, 16,066.20 and 6,925.44

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Solution

The fourth proportional to 11,641.20, 16,066.20 and 6,925.44 is: 9,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.20 : 16,066.20 = 6,925.44 : x
  2. Step 2: Convert to fraction form
    11,641.20/16,066.20 = 6,925.44/x
  3. Step 3: Cross multiply
    11,641.20x = 16,066.20 × 6,925.44
  4. Step 4: Simplify right side
    11,641.20x = 111,265,504.13
  5. Step 5: Solve for x
    x = 111,265,504.13/11,641.20
  6. Step 6: Final answer
    x = 9,557.91

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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.