Home / 11,180.22-15,428.88-6,144.90

Finding the Fourth Proportional to 11,180.22, 15,428.88 and 6,144.90

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Solution

The fourth proportional to 11,180.22, 15,428.88 and 6,144.90 is: 8,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.22 : 15,428.88 = 6,144.90 : x
  2. Step 2: Convert to fraction form
    11,180.22/15,428.88 = 6,144.90/x
  3. Step 3: Cross multiply
    11,180.22x = 15,428.88 × 6,144.90
  4. Step 4: Simplify right side
    11,180.22x = 94,808,924.71
  5. Step 5: Solve for x
    x = 94,808,924.71/11,180.22
  6. Step 6: Final answer
    x = 8,480.06

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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.