Home / 14,288.59-19,718.91-8,000.96

Finding the Fourth Proportional to 14,288.59, 19,718.91 and 8,000.96

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Solution

The fourth proportional to 14,288.59, 19,718.91 and 8,000.96 is: 11,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.59 : 19,718.91 = 8,000.96 : x
  2. Step 2: Convert to fraction form
    14,288.59/19,718.91 = 8,000.96/x
  3. Step 3: Cross multiply
    14,288.59x = 19,718.91 × 8,000.96
  4. Step 4: Simplify right side
    14,288.59x = 157,770,170.15
  5. Step 5: Solve for x
    x = 157,770,170.15/14,288.59
  6. Step 6: Final answer
    x = 11,041.69

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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.