Home / 13,717.52-20,559.76-6,311.84

Finding the Fourth Proportional to 13,717.52, 20,559.76 and 6,311.84

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Solution

The fourth proportional to 13,717.52, 20,559.76 and 6,311.84 is: 9,460.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.52 : 20,559.76 = 6,311.84 : x
  2. Step 2: Convert to fraction form
    13,717.52/20,559.76 = 6,311.84/x
  3. Step 3: Cross multiply
    13,717.52x = 20,559.76 × 6,311.84
  4. Step 4: Simplify right side
    13,717.52x = 129,769,915.56
  5. Step 5: Solve for x
    x = 129,769,915.56/13,717.52
  6. Step 6: Final answer
    x = 9,460.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.