Home / 14,271.77-21,402.33-4,909.14

Finding the Fourth Proportional to 14,271.77, 21,402.33 and 4,909.14

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Solution

The fourth proportional to 14,271.77, 21,402.33 and 4,909.14 is: 7,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.77 : 21,402.33 = 4,909.14 : x
  2. Step 2: Convert to fraction form
    14,271.77/21,402.33 = 4,909.14/x
  3. Step 3: Cross multiply
    14,271.77x = 21,402.33 × 4,909.14
  4. Step 4: Simplify right side
    14,271.77x = 105,067,034.30
  5. Step 5: Solve for x
    x = 105,067,034.30/14,271.77
  6. Step 6: Final answer
    x = 7,361.88

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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.