Home / 11,179.63-15,427.88-6,144.18

Finding the Fourth Proportional to 11,179.63, 15,427.88 and 6,144.18

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Solution

The fourth proportional to 11,179.63, 15,427.88 and 6,144.18 is: 8,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.63 : 15,427.88 = 6,144.18 : x
  2. Step 2: Convert to fraction form
    11,179.63/15,427.88 = 6,144.18/x
  3. Step 3: Cross multiply
    11,179.63x = 15,427.88 × 6,144.18
  4. Step 4: Simplify right side
    11,179.63x = 94,791,594.60
  5. Step 5: Solve for x
    x = 94,791,594.60/11,179.63
  6. Step 6: Final answer
    x = 8,478.96

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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.