Home / 17,868.79-26,778.48-6,763.69

Finding the Fourth Proportional to 17,868.79, 26,778.48 and 6,763.69

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Solution

The fourth proportional to 17,868.79, 26,778.48 and 6,763.69 is: 10,136.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.79 : 26,778.48 = 6,763.69 : x
  2. Step 2: Convert to fraction form
    17,868.79/26,778.48 = 6,763.69/x
  3. Step 3: Cross multiply
    17,868.79x = 26,778.48 × 6,763.69
  4. Step 4: Simplify right side
    17,868.79x = 181,121,337.39
  5. Step 5: Solve for x
    x = 181,121,337.39/17,868.79
  6. Step 6: Final answer
    x = 10,136.18

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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.