Home / 18,223.95-25,148.94-10,268.74

Finding the Fourth Proportional to 18,223.95, 25,148.94 and 10,268.74

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Solution

The fourth proportional to 18,223.95, 25,148.94 and 10,268.74 is: 14,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.95 : 25,148.94 = 10,268.74 : x
  2. Step 2: Convert to fraction form
    18,223.95/25,148.94 = 10,268.74/x
  3. Step 3: Cross multiply
    18,223.95x = 25,148.94 × 10,268.74
  4. Step 4: Simplify right side
    18,223.95x = 258,247,919.06
  5. Step 5: Solve for x
    x = 258,247,919.06/18,223.95
  6. Step 6: Final answer
    x = 14,170.80

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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.