Home / 14,581.28-20,118.76-8,613.84

Finding the Fourth Proportional to 14,581.28, 20,118.76 and 8,613.84

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Solution

The fourth proportional to 14,581.28, 20,118.76 and 8,613.84 is: 11,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.28 : 20,118.76 = 8,613.84 : x
  2. Step 2: Convert to fraction form
    14,581.28/20,118.76 = 8,613.84/x
  3. Step 3: Cross multiply
    14,581.28x = 20,118.76 × 8,613.84
  4. Step 4: Simplify right side
    14,581.28x = 173,299,833.55
  5. Step 5: Solve for x
    x = 173,299,833.55/14,581.28
  6. Step 6: Final answer
    x = 11,885.09

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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.