Home / 22,334.82-30,819.87-12,903.18

Finding the Fourth Proportional to 22,334.82, 30,819.87 and 12,903.18

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Solution

The fourth proportional to 22,334.82, 30,819.87 and 12,903.18 is: 17,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,334.82 : 30,819.87 = 12,903.18 : x
  2. Step 2: Convert to fraction form
    22,334.82/30,819.87 = 12,903.18/x
  3. Step 3: Cross multiply
    22,334.82x = 30,819.87 × 12,903.18
  4. Step 4: Simplify right side
    22,334.82x = 397,674,330.19
  5. Step 5: Solve for x
    x = 397,674,330.19/22,334.82
  6. Step 6: Final answer
    x = 17,805.13

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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.