Home / 10,986.74-15,160.96-6,207.44

Finding the Fourth Proportional to 10,986.74, 15,160.96 and 6,207.44

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Solution

The fourth proportional to 10,986.74, 15,160.96 and 6,207.44 is: 8,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.74 : 15,160.96 = 6,207.44 : x
  2. Step 2: Convert to fraction form
    10,986.74/15,160.96 = 6,207.44/x
  3. Step 3: Cross multiply
    10,986.74x = 15,160.96 × 6,207.44
  4. Step 4: Simplify right side
    10,986.74x = 94,110,749.54
  5. Step 5: Solve for x
    x = 94,110,749.54/10,986.74
  6. Step 6: Final answer
    x = 8,565.85

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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.