Home / 21,922.82-30,246.08-12,484.70

Finding the Fourth Proportional to 21,922.82, 30,246.08 and 12,484.70

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Solution

The fourth proportional to 21,922.82, 30,246.08 and 12,484.70 is: 17,224.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,922.82 : 30,246.08 = 12,484.70 : x
  2. Step 2: Convert to fraction form
    21,922.82/30,246.08 = 12,484.70/x
  3. Step 3: Cross multiply
    21,922.82x = 30,246.08 × 12,484.70
  4. Step 4: Simplify right side
    21,922.82x = 377,613,114.96
  5. Step 5: Solve for x
    x = 377,613,114.96/21,922.82
  6. Step 6: Final answer
    x = 17,224.66

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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.