Home / 22,440.74-30,961.78-14,487.48

Finding the Fourth Proportional to 22,440.74, 30,961.78 and 14,487.48

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Solution

The fourth proportional to 22,440.74, 30,961.78 and 14,487.48 is: 19,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.74 : 30,961.78 = 14,487.48 : x
  2. Step 2: Convert to fraction form
    22,440.74/30,961.78 = 14,487.48/x
  3. Step 3: Cross multiply
    22,440.74x = 30,961.78 × 14,487.48
  4. Step 4: Simplify right side
    22,440.74x = 448,558,132.30
  5. Step 5: Solve for x
    x = 448,558,132.30/22,440.74
  6. Step 6: Final answer
    x = 19,988.57

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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.