Home / 25,214.91-37,818.30-7,680.63

Finding the Fourth Proportional to 25,214.91, 37,818.30 and 7,680.63

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Solution

The fourth proportional to 25,214.91, 37,818.30 and 7,680.63 is: 11,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,214.91 : 37,818.30 = 7,680.63 : x
  2. Step 2: Convert to fraction form
    25,214.91/37,818.30 = 7,680.63/x
  3. Step 3: Cross multiply
    25,214.91x = 37,818.30 × 7,680.63
  4. Step 4: Simplify right side
    25,214.91x = 290,468,369.53
  5. Step 5: Solve for x
    x = 290,468,369.53/25,214.91
  6. Step 6: Final answer
    x = 11,519.71

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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.