Home / 11,255.84-15,532.92-6,220

Finding the Fourth Proportional to 11,255.84, 15,532.92 and 6,220

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Solution

The fourth proportional to 11,255.84, 15,532.92 and 6,220 is: 8,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.84 : 15,532.92 = 6,220 : x
  2. Step 2: Convert to fraction form
    11,255.84/15,532.92 = 6,220/x
  3. Step 3: Cross multiply
    11,255.84x = 15,532.92 × 6,220
  4. Step 4: Simplify right side
    11,255.84x = 96,614,762.40
  5. Step 5: Solve for x
    x = 96,614,762.40/11,255.84
  6. Step 6: Final answer
    x = 8,583.52

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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.