Home / 11,242.22-15,520.47-6,767.07

Finding the Fourth Proportional to 11,242.22, 15,520.47 and 6,767.07

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Solution

The fourth proportional to 11,242.22, 15,520.47 and 6,767.07 is: 9,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.22 : 15,520.47 = 6,767.07 : x
  2. Step 2: Convert to fraction form
    11,242.22/15,520.47 = 6,767.07/x
  3. Step 3: Cross multiply
    11,242.22x = 15,520.47 × 6,767.07
  4. Step 4: Simplify right side
    11,242.22x = 105,028,106.92
  5. Step 5: Solve for x
    x = 105,028,106.92/11,242.22
  6. Step 6: Final answer
    x = 9,342.30

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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.