Home / 15,825.50-23,738.47-4,138.71

Finding the Fourth Proportional to 15,825.50, 23,738.47 and 4,138.71

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Solution

The fourth proportional to 15,825.50, 23,738.47 and 4,138.71 is: 6,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.50 : 23,738.47 = 4,138.71 : x
  2. Step 2: Convert to fraction form
    15,825.50/23,738.47 = 4,138.71/x
  3. Step 3: Cross multiply
    15,825.50x = 23,738.47 × 4,138.71
  4. Step 4: Simplify right side
    15,825.50x = 98,246,632.83
  5. Step 5: Solve for x
    x = 98,246,632.83/15,825.50
  6. Step 6: Final answer
    x = 6,208.12

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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.