Home / 10,808.80-16,211.28-3,015.68

Finding the Fourth Proportional to 10,808.80, 16,211.28 and 3,015.68

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Solution

The fourth proportional to 10,808.80, 16,211.28 and 3,015.68 is: 4,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.80 : 16,211.28 = 3,015.68 : x
  2. Step 2: Convert to fraction form
    10,808.80/16,211.28 = 3,015.68/x
  3. Step 3: Cross multiply
    10,808.80x = 16,211.28 × 3,015.68
  4. Step 4: Simplify right side
    10,808.80x = 48,888,032.87
  5. Step 5: Solve for x
    x = 48,888,032.87/10,808.80
  6. Step 6: Final answer
    x = 4,522.98

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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.