Home / 17,938.14-26,911.30-5,459.93

Finding the Fourth Proportional to 17,938.14, 26,911.30 and 5,459.93

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Solution

The fourth proportional to 17,938.14, 26,911.30 and 5,459.93 is: 8,191.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.14 : 26,911.30 = 5,459.93 : x
  2. Step 2: Convert to fraction form
    17,938.14/26,911.30 = 5,459.93/x
  3. Step 3: Cross multiply
    17,938.14x = 26,911.30 × 5,459.93
  4. Step 4: Simplify right side
    17,938.14x = 146,933,733.28
  5. Step 5: Solve for x
    x = 146,933,733.28/17,938.14
  6. Step 6: Final answer
    x = 8,191.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.