Home / 21,336.12-32,020.52-9,657.54

Finding the Fourth Proportional to 21,336.12, 32,020.52 and 9,657.54

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Solution

The fourth proportional to 21,336.12, 32,020.52 and 9,657.54 is: 14,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,336.12 : 32,020.52 = 9,657.54 : x
  2. Step 2: Convert to fraction form
    21,336.12/32,020.52 = 9,657.54/x
  3. Step 3: Cross multiply
    21,336.12x = 32,020.52 × 9,657.54
  4. Step 4: Simplify right side
    21,336.12x = 309,239,404.43
  5. Step 5: Solve for x
    x = 309,239,404.43/21,336.12
  6. Step 6: Final answer
    x = 14,493.70

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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.