Home / 11,658.06-17,487.09-8,900.38

Finding the Fourth Proportional to 11,658.06, 17,487.09 and 8,900.38

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Solution

The fourth proportional to 11,658.06, 17,487.09 and 8,900.38 is: 13,350.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,658.06 : 17,487.09 = 8,900.38 : x
  2. Step 2: Convert to fraction form
    11,658.06/17,487.09 = 8,900.38/x
  3. Step 3: Cross multiply
    11,658.06x = 17,487.09 × 8,900.38
  4. Step 4: Simplify right side
    11,658.06x = 155,641,746.09
  5. Step 5: Solve for x
    x = 155,641,746.09/11,658.06
  6. Step 6: Final answer
    x = 13,350.57

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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.