Home / 22,762.85-34,143.86-8,719.07

Finding the Fourth Proportional to 22,762.85, 34,143.86 and 8,719.07

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Solution

The fourth proportional to 22,762.85, 34,143.86 and 8,719.07 is: 13,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,762.85 : 34,143.86 = 8,719.07 : x
  2. Step 2: Convert to fraction form
    22,762.85/34,143.86 = 8,719.07/x
  3. Step 3: Cross multiply
    22,762.85x = 34,143.86 × 8,719.07
  4. Step 4: Simplify right side
    22,762.85x = 297,702,556.49
  5. Step 5: Solve for x
    x = 297,702,556.49/22,762.85
  6. Step 6: Final answer
    x = 13,078.44

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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.