Home / 11,586.30-15,989.04-6,281.07

Finding the Fourth Proportional to 11,586.30, 15,989.04 and 6,281.07

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Solution

The fourth proportional to 11,586.30, 15,989.04 and 6,281.07 is: 8,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.30 : 15,989.04 = 6,281.07 : x
  2. Step 2: Convert to fraction form
    11,586.30/15,989.04 = 6,281.07/x
  3. Step 3: Cross multiply
    11,586.30x = 15,989.04 × 6,281.07
  4. Step 4: Simplify right side
    11,586.30x = 100,428,279.47
  5. Step 5: Solve for x
    x = 100,428,279.47/11,586.30
  6. Step 6: Final answer
    x = 8,667.85

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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.