Home / 12,074.72-18,112.09-9,723.70

Finding the Fourth Proportional to 12,074.72, 18,112.09 and 9,723.70

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Solution

The fourth proportional to 12,074.72, 18,112.09 and 9,723.70 is: 14,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.72 : 18,112.09 = 9,723.70 : x
  2. Step 2: Convert to fraction form
    12,074.72/18,112.09 = 9,723.70/x
  3. Step 3: Cross multiply
    12,074.72x = 18,112.09 × 9,723.70
  4. Step 4: Simplify right side
    12,074.72x = 176,116,444.22
  5. Step 5: Solve for x
    x = 176,116,444.22/12,074.72
  6. Step 6: Final answer
    x = 14,585.55

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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.