Home / 10,961.41-15,127.01-6,245.59

Finding the Fourth Proportional to 10,961.41, 15,127.01 and 6,245.59

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Solution

The fourth proportional to 10,961.41, 15,127.01 and 6,245.59 is: 8,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.41 : 15,127.01 = 6,245.59 : x
  2. Step 2: Convert to fraction form
    10,961.41/15,127.01 = 6,245.59/x
  3. Step 3: Cross multiply
    10,961.41x = 15,127.01 × 6,245.59
  4. Step 4: Simplify right side
    10,961.41x = 94,477,102.39
  5. Step 5: Solve for x
    x = 94,477,102.39/10,961.41
  6. Step 6: Final answer
    x = 8,619.06

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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.