Home / 11,586.93-15,989.85-6,281.66

Finding the Fourth Proportional to 11,586.93, 15,989.85 and 6,281.66

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Solution

The fourth proportional to 11,586.93, 15,989.85 and 6,281.66 is: 8,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.93 : 15,989.85 = 6,281.66 : x
  2. Step 2: Convert to fraction form
    11,586.93/15,989.85 = 6,281.66/x
  3. Step 3: Cross multiply
    11,586.93x = 15,989.85 × 6,281.66
  4. Step 4: Simplify right side
    11,586.93x = 100,442,721.20
  5. Step 5: Solve for x
    x = 100,442,721.20/11,586.93
  6. Step 6: Final answer
    x = 8,668.62

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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.