Home / 11,341.27-15,645.86-6,622.75

Finding the Fourth Proportional to 11,341.27, 15,645.86 and 6,622.75

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Solution

The fourth proportional to 11,341.27, 15,645.86 and 6,622.75 is: 9,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.27 : 15,645.86 = 6,622.75 : x
  2. Step 2: Convert to fraction form
    11,341.27/15,645.86 = 6,622.75/x
  3. Step 3: Cross multiply
    11,341.27x = 15,645.86 × 6,622.75
  4. Step 4: Simplify right side
    11,341.27x = 103,618,586.20
  5. Step 5: Solve for x
    x = 103,618,586.20/11,341.27
  6. Step 6: Final answer
    x = 9,136.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.