Home / 11,295.43-15,586.77-6,515.22

Finding the Fourth Proportional to 11,295.43, 15,586.77 and 6,515.22

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Solution

The fourth proportional to 11,295.43, 15,586.77 and 6,515.22 is: 8,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.43 : 15,586.77 = 6,515.22 : x
  2. Step 2: Convert to fraction form
    11,295.43/15,586.77 = 6,515.22/x
  3. Step 3: Cross multiply
    11,295.43x = 15,586.77 × 6,515.22
  4. Step 4: Simplify right side
    11,295.43x = 101,551,235.64
  5. Step 5: Solve for x
    x = 101,551,235.64/11,295.43
  6. Step 6: Final answer
    x = 8,990.47

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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.