Home / 19,015.96-26,241.42-13,358.92

Finding the Fourth Proportional to 19,015.96, 26,241.42 and 13,358.92

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Solution

The fourth proportional to 19,015.96, 26,241.42 and 13,358.92 is: 18,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.96 : 26,241.42 = 13,358.92 : x
  2. Step 2: Convert to fraction form
    19,015.96/26,241.42 = 13,358.92/x
  3. Step 3: Cross multiply
    19,015.96x = 26,241.42 × 13,358.92
  4. Step 4: Simplify right side
    19,015.96x = 350,557,030.47
  5. Step 5: Solve for x
    x = 350,557,030.47/19,015.96
  6. Step 6: Final answer
    x = 18,434.88

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Double scale
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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.