Home / 13,839.47-19,052.25-13,203.95

Finding the Fourth Proportional to 13,839.47, 19,052.25 and 13,203.95

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Solution

The fourth proportional to 13,839.47, 19,052.25 and 13,203.95 is: 18,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.47 : 19,052.25 = 13,203.95 : x
  2. Step 2: Convert to fraction form
    13,839.47/19,052.25 = 13,203.95/x
  3. Step 3: Cross multiply
    13,839.47x = 19,052.25 × 13,203.95
  4. Step 4: Simplify right side
    13,839.47x = 251,564,811.61
  5. Step 5: Solve for x
    x = 251,564,811.61/13,839.47
  6. Step 6: Final answer
    x = 18,177.35

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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.