Home / 26,119.72-39,178.36-6,397.23

Finding the Fourth Proportional to 26,119.72, 39,178.36 and 6,397.23

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Solution

The fourth proportional to 26,119.72, 39,178.36 and 6,397.23 is: 9,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,119.72 : 39,178.36 = 6,397.23 : x
  2. Step 2: Convert to fraction form
    26,119.72/39,178.36 = 6,397.23/x
  3. Step 3: Cross multiply
    26,119.72x = 39,178.36 × 6,397.23
  4. Step 4: Simplify right side
    26,119.72x = 250,632,979.94
  5. Step 5: Solve for x
    x = 250,632,979.94/26,119.72
  6. Step 6: Final answer
    x = 9,595.55

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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.