Home / 10,972.35-15,141.69-6,256.71

Finding the Fourth Proportional to 10,972.35, 15,141.69 and 6,256.71

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Solution

The fourth proportional to 10,972.35, 15,141.69 and 6,256.71 is: 8,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.35 : 15,141.69 = 6,256.71 : x
  2. Step 2: Convert to fraction form
    10,972.35/15,141.69 = 6,256.71/x
  3. Step 3: Cross multiply
    10,972.35x = 15,141.69 × 6,256.71
  4. Step 4: Simplify right side
    10,972.35x = 94,737,163.24
  5. Step 5: Solve for x
    x = 94,737,163.24/10,972.35
  6. Step 6: Final answer
    x = 8,634.17

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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.