Home / 12,376.89-17,079.91-6,711.52

Finding the Fourth Proportional to 12,376.89, 17,079.91 and 6,711.52

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Solution

The fourth proportional to 12,376.89, 17,079.91 and 6,711.52 is: 9,261.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.89 : 17,079.91 = 6,711.52 : x
  2. Step 2: Convert to fraction form
    12,376.89/17,079.91 = 6,711.52/x
  3. Step 3: Cross multiply
    12,376.89x = 17,079.91 × 6,711.52
  4. Step 4: Simplify right side
    12,376.89x = 114,632,157.56
  5. Step 5: Solve for x
    x = 114,632,157.56/12,376.89
  6. Step 6: Final answer
    x = 9,261.79

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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.