Home / 12,426.93-18,623.97-9,124.56

Finding the Fourth Proportional to 12,426.93, 18,623.97 and 9,124.56

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Solution

The fourth proportional to 12,426.93, 18,623.97 and 9,124.56 is: 13,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426.93 : 18,623.97 = 9,124.56 : x
  2. Step 2: Convert to fraction form
    12,426.93/18,623.97 = 9,124.56/x
  3. Step 3: Cross multiply
    12,426.93x = 18,623.97 × 9,124.56
  4. Step 4: Simplify right side
    12,426.93x = 169,935,531.70
  5. Step 5: Solve for x
    x = 169,935,531.70/12,426.93
  6. Step 6: Final answer
    x = 13,674.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.