Home / 14,304.16-21,456.83-5,418.62

Finding the Fourth Proportional to 14,304.16, 21,456.83 and 5,418.62

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Solution

The fourth proportional to 14,304.16, 21,456.83 and 5,418.62 is: 8,128.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.16 : 21,456.83 = 5,418.62 : x
  2. Step 2: Convert to fraction form
    14,304.16/21,456.83 = 5,418.62/x
  3. Step 3: Cross multiply
    14,304.16x = 21,456.83 × 5,418.62
  4. Step 4: Simplify right side
    14,304.16x = 116,266,408.17
  5. Step 5: Solve for x
    x = 116,266,408.17/14,304.16
  6. Step 6: Final answer
    x = 8,128.15

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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.