Home / 10,620.98-15,933.39-4,377.53

Finding the Fourth Proportional to 10,620.98, 15,933.39 and 4,377.53

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Solution

The fourth proportional to 10,620.98, 15,933.39 and 4,377.53 is: 6,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.98 : 15,933.39 = 4,377.53 : x
  2. Step 2: Convert to fraction form
    10,620.98/15,933.39 = 4,377.53/x
  3. Step 3: Cross multiply
    10,620.98x = 15,933.39 × 4,377.53
  4. Step 4: Simplify right side
    10,620.98x = 69,748,813.06
  5. Step 5: Solve for x
    x = 69,748,813.06/10,620.98
  6. Step 6: Final answer
    x = 6,567.08

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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.