Home / 11,276.43-15,561.26-6,240.66

Finding the Fourth Proportional to 11,276.43, 15,561.26 and 6,240.66

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Solution

The fourth proportional to 11,276.43, 15,561.26 and 6,240.66 is: 8,611.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.43 : 15,561.26 = 6,240.66 : x
  2. Step 2: Convert to fraction form
    11,276.43/15,561.26 = 6,240.66/x
  3. Step 3: Cross multiply
    11,276.43x = 15,561.26 × 6,240.66
  4. Step 4: Simplify right side
    11,276.43x = 97,112,523.66
  5. Step 5: Solve for x
    x = 97,112,523.66/11,276.43
  6. Step 6: Final answer
    x = 8,611.99

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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.