Home / 11,500.89-17,254.98-8,730.69

Finding the Fourth Proportional to 11,500.89, 17,254.98 and 8,730.69

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Solution

The fourth proportional to 11,500.89, 17,254.98 and 8,730.69 is: 13,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,500.89 : 17,254.98 = 8,730.69 : x
  2. Step 2: Convert to fraction form
    11,500.89/17,254.98 = 8,730.69/x
  3. Step 3: Cross multiply
    11,500.89x = 17,254.98 × 8,730.69
  4. Step 4: Simplify right side
    11,500.89x = 150,647,881.34
  5. Step 5: Solve for x
    x = 150,647,881.34/11,500.89
  6. Step 6: Final answer
    x = 13,098.80

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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.