Home / 12,393.46-17,102.80-6,727.76

Finding the Fourth Proportional to 12,393.46, 17,102.80 and 6,727.76

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Solution

The fourth proportional to 12,393.46, 17,102.80 and 6,727.76 is: 9,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.46 : 17,102.80 = 6,727.76 : x
  2. Step 2: Convert to fraction form
    12,393.46/17,102.80 = 6,727.76/x
  3. Step 3: Cross multiply
    12,393.46x = 17,102.80 × 6,727.76
  4. Step 4: Simplify right side
    12,393.46x = 115,063,482.92
  5. Step 5: Solve for x
    x = 115,063,482.92/12,393.46
  6. Step 6: Final answer
    x = 9,284.21

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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.