Home / 15,212.05-22,818.12-4,118.80

Finding the Fourth Proportional to 15,212.05, 22,818.12 and 4,118.80

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Solution

The fourth proportional to 15,212.05, 22,818.12 and 4,118.80 is: 6,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212.05 : 22,818.12 = 4,118.80 : x
  2. Step 2: Convert to fraction form
    15,212.05/22,818.12 = 4,118.80/x
  3. Step 3: Cross multiply
    15,212.05x = 22,818.12 × 4,118.80
  4. Step 4: Simplify right side
    15,212.05x = 93,983,272.66
  5. Step 5: Solve for x
    x = 93,983,272.66/15,212.05
  6. Step 6: Final answer
    x = 6,178.21

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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.