Home / 11,531.86-17,298.75-8,450.21

Finding the Fourth Proportional to 11,531.86, 17,298.75 and 8,450.21

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Solution

The fourth proportional to 11,531.86, 17,298.75 and 8,450.21 is: 12,676.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.86 : 17,298.75 = 8,450.21 : x
  2. Step 2: Convert to fraction form
    11,531.86/17,298.75 = 8,450.21/x
  3. Step 3: Cross multiply
    11,531.86x = 17,298.75 × 8,450.21
  4. Step 4: Simplify right side
    11,531.86x = 146,178,070.24
  5. Step 5: Solve for x
    x = 146,178,070.24/11,531.86
  6. Step 6: Final answer
    x = 12,676.02

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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.