Home / 22,259.19-30,716.51-12,185.70

Finding the Fourth Proportional to 22,259.19, 30,716.51 and 12,185.70

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Solution

The fourth proportional to 22,259.19, 30,716.51 and 12,185.70 is: 16,815.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.19 : 30,716.51 = 12,185.70 : x
  2. Step 2: Convert to fraction form
    22,259.19/30,716.51 = 12,185.70/x
  3. Step 3: Cross multiply
    22,259.19x = 30,716.51 × 12,185.70
  4. Step 4: Simplify right side
    22,259.19x = 374,302,114.98
  5. Step 5: Solve for x
    x = 374,302,114.98/22,259.19
  6. Step 6: Final answer
    x = 16,815.62

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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.