Home / 14,217.52-21,326.28-3,829

Finding the Fourth Proportional to 14,217.52, 21,326.28 and 3,829

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Solution

The fourth proportional to 14,217.52, 21,326.28 and 3,829 is: 5,743.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.52 : 21,326.28 = 3,829 : x
  2. Step 2: Convert to fraction form
    14,217.52/21,326.28 = 3,829/x
  3. Step 3: Cross multiply
    14,217.52x = 21,326.28 × 3,829
  4. Step 4: Simplify right side
    14,217.52x = 81,658,326.12
  5. Step 5: Solve for x
    x = 81,658,326.12/14,217.52
  6. Step 6: Final answer
    x = 5,743.50

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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.