Home / 11,220.99-15,484.86-6,185.41

Finding the Fourth Proportional to 11,220.99, 15,484.86 and 6,185.41

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Solution

The fourth proportional to 11,220.99, 15,484.86 and 6,185.41 is: 8,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.99 : 15,484.86 = 6,185.41 : x
  2. Step 2: Convert to fraction form
    11,220.99/15,484.86 = 6,185.41/x
  3. Step 3: Cross multiply
    11,220.99x = 15,484.86 × 6,185.41
  4. Step 4: Simplify right side
    11,220.99x = 95,780,207.89
  5. Step 5: Solve for x
    x = 95,780,207.89/11,220.99
  6. Step 6: Final answer
    x = 8,535.81

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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.