Home / 15,499.78-23,259.24-6,138.22

Finding the Fourth Proportional to 15,499.78, 23,259.24 and 6,138.22

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Solution

The fourth proportional to 15,499.78, 23,259.24 and 6,138.22 is: 9,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.78 : 23,259.24 = 6,138.22 : x
  2. Step 2: Convert to fraction form
    15,499.78/23,259.24 = 6,138.22/x
  3. Step 3: Cross multiply
    15,499.78x = 23,259.24 × 6,138.22
  4. Step 4: Simplify right side
    15,499.78x = 142,770,332.15
  5. Step 5: Solve for x
    x = 142,770,332.15/15,499.78
  6. Step 6: Final answer
    x = 9,211.12

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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.