Home / 11,129.23-16,682.76-9,160.93

Finding the Fourth Proportional to 11,129.23, 16,682.76 and 9,160.93

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Solution

The fourth proportional to 11,129.23, 16,682.76 and 9,160.93 is: 13,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.23 : 16,682.76 = 9,160.93 : x
  2. Step 2: Convert to fraction form
    11,129.23/16,682.76 = 9,160.93/x
  3. Step 3: Cross multiply
    11,129.23x = 16,682.76 × 9,160.93
  4. Step 4: Simplify right side
    11,129.23x = 152,829,596.57
  5. Step 5: Solve for x
    x = 152,829,596.57/11,129.23
  6. Step 6: Final answer
    x = 13,732.27

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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.