Home / 18,399.02-25,334.41-13,868.28

Finding the Fourth Proportional to 18,399.02, 25,334.41 and 13,868.28

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Solution

The fourth proportional to 18,399.02, 25,334.41 and 13,868.28 is: 19,095.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.02 : 25,334.41 = 13,868.28 : x
  2. Step 2: Convert to fraction form
    18,399.02/25,334.41 = 13,868.28/x
  3. Step 3: Cross multiply
    18,399.02x = 25,334.41 × 13,868.28
  4. Step 4: Simplify right side
    18,399.02x = 351,344,691.51
  5. Step 5: Solve for x
    x = 351,344,691.51/18,399.02
  6. Step 6: Final answer
    x = 19,095.84

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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.