Home / 12,326.93-18,490.49-5,306.46

Finding the Fourth Proportional to 12,326.93, 18,490.49 and 5,306.46

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Solution

The fourth proportional to 12,326.93, 18,490.49 and 5,306.46 is: 7,959.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.93 : 18,490.49 = 5,306.46 : x
  2. Step 2: Convert to fraction form
    12,326.93/18,490.49 = 5,306.46/x
  3. Step 3: Cross multiply
    12,326.93x = 18,490.49 × 5,306.46
  4. Step 4: Simplify right side
    12,326.93x = 98,119,045.57
  5. Step 5: Solve for x
    x = 98,119,045.57/12,326.93
  6. Step 6: Final answer
    x = 7,959.73

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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.