Home / 14,548.95-21,824.78-5,781.78

Finding the Fourth Proportional to 14,548.95, 21,824.78 and 5,781.78

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Solution

The fourth proportional to 14,548.95, 21,824.78 and 5,781.78 is: 8,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.95 : 21,824.78 = 5,781.78 : x
  2. Step 2: Convert to fraction form
    14,548.95/21,824.78 = 5,781.78/x
  3. Step 3: Cross multiply
    14,548.95x = 21,824.78 × 5,781.78
  4. Step 4: Simplify right side
    14,548.95x = 126,186,047.60
  5. Step 5: Solve for x
    x = 126,186,047.60/14,548.95
  6. Step 6: Final answer
    x = 8,673.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.