Home / 22,378.76-30,882.90-12,307.26

Finding the Fourth Proportional to 22,378.76, 30,882.90 and 12,307.26

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Solution

The fourth proportional to 22,378.76, 30,882.90 and 12,307.26 is: 16,984.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378.76 : 30,882.90 = 12,307.26 : x
  2. Step 2: Convert to fraction form
    22,378.76/30,882.90 = 12,307.26/x
  3. Step 3: Cross multiply
    22,378.76x = 30,882.90 × 12,307.26
  4. Step 4: Simplify right side
    22,378.76x = 380,083,879.85
  5. Step 5: Solve for x
    x = 380,083,879.85/22,378.76
  6. Step 6: Final answer
    x = 16,984.13

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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.