Home / 10,801.68-16,201.16-2,904.78

Finding the Fourth Proportional to 10,801.68, 16,201.16 and 2,904.78

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Solution

The fourth proportional to 10,801.68, 16,201.16 and 2,904.78 is: 4,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801.68 : 16,201.16 = 2,904.78 : x
  2. Step 2: Convert to fraction form
    10,801.68/16,201.16 = 2,904.78/x
  3. Step 3: Cross multiply
    10,801.68x = 16,201.16 × 2,904.78
  4. Step 4: Simplify right side
    10,801.68x = 47,060,805.54
  5. Step 5: Solve for x
    x = 47,060,805.54/10,801.68
  6. Step 6: Final answer
    x = 4,356.80

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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.