Home / 14,856.24-20,500.80-8,141.76

Finding the Fourth Proportional to 14,856.24, 20,500.80 and 8,141.76

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Solution

The fourth proportional to 14,856.24, 20,500.80 and 8,141.76 is: 11,235.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,856.24 : 20,500.80 = 8,141.76 : x
  2. Step 2: Convert to fraction form
    14,856.24/20,500.80 = 8,141.76/x
  3. Step 3: Cross multiply
    14,856.24x = 20,500.80 × 8,141.76
  4. Step 4: Simplify right side
    14,856.24x = 166,912,593.41
  5. Step 5: Solve for x
    x = 166,912,593.41/14,856.24
  6. Step 6: Final answer
    x = 11,235.18

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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.