Home / 22,278.44-30,743.75-12,586.99

Finding the Fourth Proportional to 22,278.44, 30,743.75 and 12,586.99

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Solution

The fourth proportional to 22,278.44, 30,743.75 and 12,586.99 is: 17,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.44 : 30,743.75 = 12,586.99 : x
  2. Step 2: Convert to fraction form
    22,278.44/30,743.75 = 12,586.99/x
  3. Step 3: Cross multiply
    22,278.44x = 30,743.75 × 12,586.99
  4. Step 4: Simplify right side
    22,278.44x = 386,971,273.81
  5. Step 5: Solve for x
    x = 386,971,273.81/22,278.44
  6. Step 6: Final answer
    x = 17,369.77

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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.