Home / 14,179.88-21,265.28-4,690.42

Finding the Fourth Proportional to 14,179.88, 21,265.28 and 4,690.42

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Solution

The fourth proportional to 14,179.88, 21,265.28 and 4,690.42 is: 7,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.88 : 21,265.28 = 4,690.42 : x
  2. Step 2: Convert to fraction form
    14,179.88/21,265.28 = 4,690.42/x
  3. Step 3: Cross multiply
    14,179.88x = 21,265.28 × 4,690.42
  4. Step 4: Simplify right side
    14,179.88x = 99,743,094.62
  5. Step 5: Solve for x
    x = 99,743,094.62/14,179.88
  6. Step 6: Final answer
    x = 7,034.13

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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.