Home / 18,880.82-28,324.86-10,125.52

Finding the Fourth Proportional to 18,880.82, 28,324.86 and 10,125.52

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Solution

The fourth proportional to 18,880.82, 28,324.86 and 10,125.52 is: 15,190.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.82 : 28,324.86 = 10,125.52 : x
  2. Step 2: Convert to fraction form
    18,880.82/28,324.86 = 10,125.52/x
  3. Step 3: Cross multiply
    18,880.82x = 28,324.86 × 10,125.52
  4. Step 4: Simplify right side
    18,880.82x = 286,803,936.43
  5. Step 5: Solve for x
    x = 286,803,936.43/18,880.82
  6. Step 6: Final answer
    x = 15,190.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.