Home / 22,378.44-30,882.34-12,307.52

Finding the Fourth Proportional to 22,378.44, 30,882.34 and 12,307.52

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Solution

The fourth proportional to 22,378.44, 30,882.34 and 12,307.52 is: 16,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378.44 : 30,882.34 = 12,307.52 : x
  2. Step 2: Convert to fraction form
    22,378.44/30,882.34 = 12,307.52/x
  3. Step 3: Cross multiply
    22,378.44x = 30,882.34 × 12,307.52
  4. Step 4: Simplify right side
    22,378.44x = 380,085,017.20
  5. Step 5: Solve for x
    x = 380,085,017.20/22,378.44
  6. Step 6: Final answer
    x = 16,984.43

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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.