Home / 14,399.80-19,869.52-8,110.96

Finding the Fourth Proportional to 14,399.80, 19,869.52 and 8,110.96

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Solution

The fourth proportional to 14,399.80, 19,869.52 and 8,110.96 is: 11,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.80 : 19,869.52 = 8,110.96 : x
  2. Step 2: Convert to fraction form
    14,399.80/19,869.52 = 8,110.96/x
  3. Step 3: Cross multiply
    14,399.80x = 19,869.52 × 8,110.96
  4. Step 4: Simplify right side
    14,399.80x = 161,160,881.94
  5. Step 5: Solve for x
    x = 161,160,881.94/14,399.80
  6. Step 6: Final answer
    x = 11,191.88

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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.