Home / 12,376.43-17,079.27-6,998.79

Finding the Fourth Proportional to 12,376.43, 17,079.27 and 6,998.79

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Solution

The fourth proportional to 12,376.43, 17,079.27 and 6,998.79 is: 9,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.43 : 17,079.27 = 6,998.79 : x
  2. Step 2: Convert to fraction form
    12,376.43/17,079.27 = 6,998.79/x
  3. Step 3: Cross multiply
    12,376.43x = 17,079.27 × 6,998.79
  4. Step 4: Simplify right side
    12,376.43x = 119,534,224.08
  5. Step 5: Solve for x
    x = 119,534,224.08/12,376.43
  6. Step 6: Final answer
    x = 9,658.22

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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.