Home / 12,514.94-18,777.89-4,721.93

Finding the Fourth Proportional to 12,514.94, 18,777.89 and 4,721.93

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Solution

The fourth proportional to 12,514.94, 18,777.89 and 4,721.93 is: 7,084.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514.94 : 18,777.89 = 4,721.93 : x
  2. Step 2: Convert to fraction form
    12,514.94/18,777.89 = 4,721.93/x
  3. Step 3: Cross multiply
    12,514.94x = 18,777.89 × 4,721.93
  4. Step 4: Simplify right side
    12,514.94x = 88,667,882.13
  5. Step 5: Solve for x
    x = 88,667,882.13/12,514.94
  6. Step 6: Final answer
    x = 7,084.96

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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.