Home / 12,234.78-18,352.53-8,101.26

Finding the Fourth Proportional to 12,234.78, 18,352.53 and 8,101.26

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Solution

The fourth proportional to 12,234.78, 18,352.53 and 8,101.26 is: 12,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.78 : 18,352.53 = 8,101.26 : x
  2. Step 2: Convert to fraction form
    12,234.78/18,352.53 = 8,101.26/x
  3. Step 3: Cross multiply
    12,234.78x = 18,352.53 × 8,101.26
  4. Step 4: Simplify right side
    12,234.78x = 148,678,617.19
  5. Step 5: Solve for x
    x = 148,678,617.19/12,234.78
  6. Step 6: Final answer
    x = 12,152.13

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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.