Home / 10,121.32-13,970.82-6,936.52

Finding the Fourth Proportional to 10,121.32, 13,970.82 and 6,936.52

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Solution

The fourth proportional to 10,121.32, 13,970.82 and 6,936.52 is: 9,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.32 : 13,970.82 = 6,936.52 : x
  2. Step 2: Convert to fraction form
    10,121.32/13,970.82 = 6,936.52/x
  3. Step 3: Cross multiply
    10,121.32x = 13,970.82 × 6,936.52
  4. Step 4: Simplify right side
    10,121.32x = 96,908,872.35
  5. Step 5: Solve for x
    x = 96,908,872.35/10,121.32
  6. Step 6: Final answer
    x = 9,574.73

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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.