Home / 13,311.16-18,377.94-8,282.23

Finding the Fourth Proportional to 13,311.16, 18,377.94 and 8,282.23

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Solution

The fourth proportional to 13,311.16, 18,377.94 and 8,282.23 is: 11,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.16 : 18,377.94 = 8,282.23 : x
  2. Step 2: Convert to fraction form
    13,311.16/18,377.94 = 8,282.23/x
  3. Step 3: Cross multiply
    13,311.16x = 18,377.94 × 8,282.23
  4. Step 4: Simplify right side
    13,311.16x = 152,210,326.01
  5. Step 5: Solve for x
    x = 152,210,326.01/13,311.16
  6. Step 6: Final answer
    x = 11,434.79

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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.