Home / 18,834.44-25,989.74-11,280.63

Finding the Fourth Proportional to 18,834.44, 25,989.74 and 11,280.63

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Solution

The fourth proportional to 18,834.44, 25,989.74 and 11,280.63 is: 15,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.44 : 25,989.74 = 11,280.63 : x
  2. Step 2: Convert to fraction form
    18,834.44/25,989.74 = 11,280.63/x
  3. Step 3: Cross multiply
    18,834.44x = 25,989.74 × 11,280.63
  4. Step 4: Simplify right side
    18,834.44x = 293,180,724.10
  5. Step 5: Solve for x
    x = 293,180,724.10/18,834.44
  6. Step 6: Final answer
    x = 15,566.21

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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.