Home / 11,127.96-16,693.76-5,281.38

Finding the Fourth Proportional to 11,127.96, 16,693.76 and 5,281.38

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Solution

The fourth proportional to 11,127.96, 16,693.76 and 5,281.38 is: 7,922.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.96 : 16,693.76 = 5,281.38 : x
  2. Step 2: Convert to fraction form
    11,127.96/16,693.76 = 5,281.38/x
  3. Step 3: Cross multiply
    11,127.96x = 16,693.76 × 5,281.38
  4. Step 4: Simplify right side
    11,127.96x = 88,166,103.39
  5. Step 5: Solve for x
    x = 88,166,103.39/11,127.96
  6. Step 6: Final answer
    x = 7,922.93

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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.