Home / 11,255.89-15,532.62-6,220.00

Finding the Fourth Proportional to 11,255.89, 15,532.62 and 6,220.00

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Solution

The fourth proportional to 11,255.89, 15,532.62 and 6,220.00 is: 8,583.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.89 : 15,532.62 = 6,220.00 : x
  2. Step 2: Convert to fraction form
    11,255.89/15,532.62 = 6,220.00/x
  3. Step 3: Cross multiply
    11,255.89x = 15,532.62 × 6,220.00
  4. Step 4: Simplify right side
    11,255.89x = 96,612,848.81
  5. Step 5: Solve for x
    x = 96,612,848.81/11,255.89
  6. Step 6: Final answer
    x = 8,583.32

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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.