Home / 10,893.80-16,340.70-6,228.20

Finding the Fourth Proportional to 10,893.80, 16,340.70 and 6,228.20

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Solution

The fourth proportional to 10,893.80, 16,340.70 and 6,228.20 is: 9,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.80 : 16,340.70 = 6,228.20 : x
  2. Step 2: Convert to fraction form
    10,893.80/16,340.70 = 6,228.20/x
  3. Step 3: Cross multiply
    10,893.80x = 16,340.70 × 6,228.20
  4. Step 4: Simplify right side
    10,893.80x = 101,773,147.74
  5. Step 5: Solve for x
    x = 101,773,147.74/10,893.80
  6. Step 6: Final answer
    x = 9,342.30

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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.