Home / 13,081.94-18,048.66-7,416.08

Finding the Fourth Proportional to 13,081.94, 18,048.66 and 7,416.08

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Solution

The fourth proportional to 13,081.94, 18,048.66 and 7,416.08 is: 10,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.94 : 18,048.66 = 7,416.08 : x
  2. Step 2: Convert to fraction form
    13,081.94/18,048.66 = 7,416.08/x
  3. Step 3: Cross multiply
    13,081.94x = 18,048.66 × 7,416.08
  4. Step 4: Simplify right side
    13,081.94x = 133,850,306.45
  5. Step 5: Solve for x
    x = 133,850,306.45/13,081.94
  6. Step 6: Final answer
    x = 10,231.69

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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.