Home / 14,265.88-21,398.76-3,877.60

Finding the Fourth Proportional to 14,265.88, 21,398.76 and 3,877.60

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Solution

The fourth proportional to 14,265.88, 21,398.76 and 3,877.60 is: 5,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.88 : 21,398.76 = 3,877.60 : x
  2. Step 2: Convert to fraction form
    14,265.88/21,398.76 = 3,877.60/x
  3. Step 3: Cross multiply
    14,265.88x = 21,398.76 × 3,877.60
  4. Step 4: Simplify right side
    14,265.88x = 82,975,831.78
  5. Step 5: Solve for x
    x = 82,975,831.78/14,265.88
  6. Step 6: Final answer
    x = 5,816.38

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1.5x scale

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.