Home / 10,801.15-16,200.35-4,231.95

Finding the Fourth Proportional to 10,801.15, 16,200.35 and 4,231.95

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Solution

The fourth proportional to 10,801.15, 16,200.35 and 4,231.95 is: 6,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801.15 : 16,200.35 = 4,231.95 : x
  2. Step 2: Convert to fraction form
    10,801.15/16,200.35 = 4,231.95/x
  3. Step 3: Cross multiply
    10,801.15x = 16,200.35 × 4,231.95
  4. Step 4: Simplify right side
    10,801.15x = 68,559,028.95
  5. Step 5: Solve for x
    x = 68,559,028.95/10,801.15
  6. Step 6: Final answer
    x = 6,347.38

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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.