Home / 15,612.91-23,418.43-4,519.35

Finding the Fourth Proportional to 15,612.91, 23,418.43 and 4,519.35

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Solution

The fourth proportional to 15,612.91, 23,418.43 and 4,519.35 is: 6,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.91 : 23,418.43 = 4,519.35 : x
  2. Step 2: Convert to fraction form
    15,612.91/23,418.43 = 4,519.35/x
  3. Step 3: Cross multiply
    15,612.91x = 23,418.43 × 4,519.35
  4. Step 4: Simplify right side
    15,612.91x = 105,836,081.62
  5. Step 5: Solve for x
    x = 105,836,081.62/15,612.91
  6. Step 6: Final answer
    x = 6,778.75

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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.