Home / 10,972.24-15,141.72-6,256.72

Finding the Fourth Proportional to 10,972.24, 15,141.72 and 6,256.72

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Solution

The fourth proportional to 10,972.24, 15,141.72 and 6,256.72 is: 8,634.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.24 : 15,141.72 = 6,256.72 : x
  2. Step 2: Convert to fraction form
    10,972.24/15,141.72 = 6,256.72/x
  3. Step 3: Cross multiply
    10,972.24x = 15,141.72 × 6,256.72
  4. Step 4: Simplify right side
    10,972.24x = 94,737,502.36
  5. Step 5: Solve for x
    x = 94,737,502.36/10,972.24
  6. Step 6: Final answer
    x = 8,634.29

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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.