Home / 18,268.34-25,187.36-14,907.74

Finding the Fourth Proportional to 18,268.34, 25,187.36 and 14,907.74

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Solution

The fourth proportional to 18,268.34, 25,187.36 and 14,907.74 is: 20,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.34 : 25,187.36 = 14,907.74 : x
  2. Step 2: Convert to fraction form
    18,268.34/25,187.36 = 14,907.74/x
  3. Step 3: Cross multiply
    18,268.34x = 25,187.36 × 14,907.74
  4. Step 4: Simplify right side
    18,268.34x = 375,486,614.17
  5. Step 5: Solve for x
    x = 375,486,614.17/18,268.34
  6. Step 6: Final answer
    x = 20,553.95

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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.