Home / 14,360.92-19,813.17-8,979.67

Finding the Fourth Proportional to 14,360.92, 19,813.17 and 8,979.67

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Solution

The fourth proportional to 14,360.92, 19,813.17 and 8,979.67 is: 12,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,360.92 : 19,813.17 = 8,979.67 : x
  2. Step 2: Convert to fraction form
    14,360.92/19,813.17 = 8,979.67/x
  3. Step 3: Cross multiply
    14,360.92x = 19,813.17 × 8,979.67
  4. Step 4: Simplify right side
    14,360.92x = 177,915,728.25
  5. Step 5: Solve for x
    x = 177,915,728.25/14,360.92
  6. Step 6: Final answer
    x = 12,388.88

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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.