Home / 11,586.30-15,989.08-6,281.11

Finding the Fourth Proportional to 11,586.30, 15,989.08 and 6,281.11

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Solution

The fourth proportional to 11,586.30, 15,989.08 and 6,281.11 is: 8,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.30 : 15,989.08 = 6,281.11 : x
  2. Step 2: Convert to fraction form
    11,586.30/15,989.08 = 6,281.11/x
  3. Step 3: Cross multiply
    11,586.30x = 15,989.08 × 6,281.11
  4. Step 4: Simplify right side
    11,586.30x = 100,429,170.28
  5. Step 5: Solve for x
    x = 100,429,170.28/11,586.30
  6. Step 6: Final answer
    x = 8,667.92

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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.