Home / 14,126.26-21,189.52-4,265.62

Finding the Fourth Proportional to 14,126.26, 21,189.52 and 4,265.62

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Solution

The fourth proportional to 14,126.26, 21,189.52 and 4,265.62 is: 6,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.26 : 21,189.52 = 4,265.62 : x
  2. Step 2: Convert to fraction form
    14,126.26/21,189.52 = 4,265.62/x
  3. Step 3: Cross multiply
    14,126.26x = 21,189.52 × 4,265.62
  4. Step 4: Simplify right side
    14,126.26x = 90,386,440.30
  5. Step 5: Solve for x
    x = 90,386,440.30/14,126.26
  6. Step 6: Final answer
    x = 6,398.47

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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.