Home / 14,438.16-21,655.57-3,907.55

Finding the Fourth Proportional to 14,438.16, 21,655.57 and 3,907.55

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Solution

The fourth proportional to 14,438.16, 21,655.57 and 3,907.55 is: 5,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.16 : 21,655.57 = 3,907.55 : x
  2. Step 2: Convert to fraction form
    14,438.16/21,655.57 = 3,907.55/x
  3. Step 3: Cross multiply
    14,438.16x = 21,655.57 × 3,907.55
  4. Step 4: Simplify right side
    14,438.16x = 84,620,312.95
  5. Step 5: Solve for x
    x = 84,620,312.95/14,438.16
  6. Step 6: Final answer
    x = 5,860.88

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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.