Home / 14,135.01-21,205.80-4,774.85

Finding the Fourth Proportional to 14,135.01, 21,205.80 and 4,774.85

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Solution

The fourth proportional to 14,135.01, 21,205.80 and 4,774.85 is: 7,163.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.01 : 21,205.80 = 4,774.85 : x
  2. Step 2: Convert to fraction form
    14,135.01/21,205.80 = 4,774.85/x
  3. Step 3: Cross multiply
    14,135.01x = 21,205.80 × 4,774.85
  4. Step 4: Simplify right side
    14,135.01x = 101,254,487.62
  5. Step 5: Solve for x
    x = 101,254,487.62/14,135.01
  6. Step 6: Final answer
    x = 7,163.38

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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.