Home / 17,939.79-26,911.17-5,460.93

Finding the Fourth Proportional to 17,939.79, 26,911.17 and 5,460.93

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Solution

The fourth proportional to 17,939.79, 26,911.17 and 5,460.93 is: 8,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.79 : 26,911.17 = 5,460.93 : x
  2. Step 2: Convert to fraction form
    17,939.79/26,911.17 = 5,460.93/x
  3. Step 3: Cross multiply
    17,939.79x = 26,911.17 × 5,460.93
  4. Step 4: Simplify right side
    17,939.79x = 146,960,015.59
  5. Step 5: Solve for x
    x = 146,960,015.59/17,939.79
  6. Step 6: Final answer
    x = 8,191.85

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1.5x scale

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.