Home / 10,893.12-16,338.88-3,870.48

Finding the Fourth Proportional to 10,893.12, 16,338.88 and 3,870.48

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Solution

The fourth proportional to 10,893.12, 16,338.88 and 3,870.48 is: 5,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.12 : 16,338.88 = 3,870.48 : x
  2. Step 2: Convert to fraction form
    10,893.12/16,338.88 = 3,870.48/x
  3. Step 3: Cross multiply
    10,893.12x = 16,338.88 × 3,870.48
  4. Step 4: Simplify right side
    10,893.12x = 63,239,308.26
  5. Step 5: Solve for x
    x = 63,239,308.26/10,893.12
  6. Step 6: Final answer
    x = 5,805.44

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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.