Home / 15,204.16-22,806.24-12,145.60

Finding the Fourth Proportional to 15,204.16, 22,806.24 and 12,145.60

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Solution

The fourth proportional to 15,204.16, 22,806.24 and 12,145.60 is: 18,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204.16 : 22,806.24 = 12,145.60 : x
  2. Step 2: Convert to fraction form
    15,204.16/22,806.24 = 12,145.60/x
  3. Step 3: Cross multiply
    15,204.16x = 22,806.24 × 12,145.60
  4. Step 4: Simplify right side
    15,204.16x = 276,995,468.54
  5. Step 5: Solve for x
    x = 276,995,468.54/15,204.16
  6. Step 6: Final answer
    x = 18,218.40

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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.