Home / 14,452.39-21,681.33-8,219.44

Finding the Fourth Proportional to 14,452.39, 21,681.33 and 8,219.44

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Solution

The fourth proportional to 14,452.39, 21,681.33 and 8,219.44 is: 12,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,452.39 : 21,681.33 = 8,219.44 : x
  2. Step 2: Convert to fraction form
    14,452.39/21,681.33 = 8,219.44/x
  3. Step 3: Cross multiply
    14,452.39x = 21,681.33 × 8,219.44
  4. Step 4: Simplify right side
    14,452.39x = 178,208,391.06
  5. Step 5: Solve for x
    x = 178,208,391.06/14,452.39
  6. Step 6: Final answer
    x = 12,330.72

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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.