Home / 12,623.42-17,418.96-6,957.90

Finding the Fourth Proportional to 12,623.42, 17,418.96 and 6,957.90

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Solution

The fourth proportional to 12,623.42, 17,418.96 and 6,957.90 is: 9,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.42 : 17,418.96 = 6,957.90 : x
  2. Step 2: Convert to fraction form
    12,623.42/17,418.96 = 6,957.90/x
  3. Step 3: Cross multiply
    12,623.42x = 17,418.96 × 6,957.90
  4. Step 4: Simplify right side
    12,623.42x = 121,199,381.78
  5. Step 5: Solve for x
    x = 121,199,381.78/12,623.42
  6. Step 6: Final answer
    x = 9,601.15

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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.