Home / 12,376.64-17,079.72-6,711.42

Finding the Fourth Proportional to 12,376.64, 17,079.72 and 6,711.42

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Solution

The fourth proportional to 12,376.64, 17,079.72 and 6,711.42 is: 9,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.64 : 17,079.72 = 6,711.42 : x
  2. Step 2: Convert to fraction form
    12,376.64/17,079.72 = 6,711.42/x
  3. Step 3: Cross multiply
    12,376.64x = 17,079.72 × 6,711.42
  4. Step 4: Simplify right side
    12,376.64x = 114,629,174.40
  5. Step 5: Solve for x
    x = 114,629,174.40/12,376.64
  6. Step 6: Final answer
    x = 9,261.74

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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.