Home / 10,770.23-16,146.64-4,842.78

Finding the Fourth Proportional to 10,770.23, 16,146.64 and 4,842.78

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Solution

The fourth proportional to 10,770.23, 16,146.64 and 4,842.78 is: 7,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,770.23 : 16,146.64 = 4,842.78 : x
  2. Step 2: Convert to fraction form
    10,770.23/16,146.64 = 4,842.78/x
  3. Step 3: Cross multiply
    10,770.23x = 16,146.64 × 4,842.78
  4. Step 4: Simplify right side
    10,770.23x = 78,194,601.05
  5. Step 5: Solve for x
    x = 78,194,601.05/10,770.23
  6. Step 6: Final answer
    x = 7,260.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.