Home / 14,640.22-21,982.20-14,421.52

Finding the Fourth Proportional to 14,640.22, 21,982.20 and 14,421.52

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Solution

The fourth proportional to 14,640.22, 21,982.20 and 14,421.52 is: 21,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.22 : 21,982.20 = 14,421.52 : x
  2. Step 2: Convert to fraction form
    14,640.22/21,982.20 = 14,421.52/x
  3. Step 3: Cross multiply
    14,640.22x = 21,982.20 × 14,421.52
  4. Step 4: Simplify right side
    14,640.22x = 317,016,627.91
  5. Step 5: Solve for x
    x = 317,016,627.91/14,640.22
  6. Step 6: Final answer
    x = 21,653.82

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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.