Home / 14,098.80-19,433.76-11,109.68

Finding the Fourth Proportional to 14,098.80, 19,433.76 and 11,109.68

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Solution

The fourth proportional to 14,098.80, 19,433.76 and 11,109.68 is: 15,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.80 : 19,433.76 = 11,109.68 : x
  2. Step 2: Convert to fraction form
    14,098.80/19,433.76 = 11,109.68/x
  3. Step 3: Cross multiply
    14,098.80x = 19,433.76 × 11,109.68
  4. Step 4: Simplify right side
    14,098.80x = 215,902,854.80
  5. Step 5: Solve for x
    x = 215,902,854.80/14,098.80
  6. Step 6: Final answer
    x = 15,313.56

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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.