Home / 14,912.78-22,371.89-6,142.91

Finding the Fourth Proportional to 14,912.78, 22,371.89 and 6,142.91

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Solution

The fourth proportional to 14,912.78, 22,371.89 and 6,142.91 is: 9,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912.78 : 22,371.89 = 6,142.91 : x
  2. Step 2: Convert to fraction form
    14,912.78/22,371.89 = 6,142.91/x
  3. Step 3: Cross multiply
    14,912.78x = 22,371.89 × 6,142.91
  4. Step 4: Simplify right side
    14,912.78x = 137,428,364.23
  5. Step 5: Solve for x
    x = 137,428,364.23/14,912.78
  6. Step 6: Final answer
    x = 9,215.48

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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.