Home / 10,920.60-15,069.72-6,204.84

Finding the Fourth Proportional to 10,920.60, 15,069.72 and 6,204.84

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Solution

The fourth proportional to 10,920.60, 15,069.72 and 6,204.84 is: 8,562.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920.60 : 15,069.72 = 6,204.84 : x
  2. Step 2: Convert to fraction form
    10,920.60/15,069.72 = 6,204.84/x
  3. Step 3: Cross multiply
    10,920.60x = 15,069.72 × 6,204.84
  4. Step 4: Simplify right side
    10,920.60x = 93,505,201.44
  5. Step 5: Solve for x
    x = 93,505,201.44/10,920.60
  6. Step 6: Final answer
    x = 8,562.28

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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.