Home / 22,045.75-30,423.14-12,109.75

Finding the Fourth Proportional to 22,045.75, 30,423.14 and 12,109.75

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Solution

The fourth proportional to 22,045.75, 30,423.14 and 12,109.75 is: 16,711.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,045.75 : 30,423.14 = 12,109.75 : x
  2. Step 2: Convert to fraction form
    22,045.75/30,423.14 = 12,109.75/x
  3. Step 3: Cross multiply
    22,045.75x = 30,423.14 × 12,109.75
  4. Step 4: Simplify right side
    22,045.75x = 368,416,619.62
  5. Step 5: Solve for x
    x = 368,416,619.62/22,045.75
  6. Step 6: Final answer
    x = 16,711.46

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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.