Home / 21,097.08-31,651.97-6,306.48

Finding the Fourth Proportional to 21,097.08, 31,651.97 and 6,306.48

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Solution

The fourth proportional to 21,097.08, 31,651.97 and 6,306.48 is: 9,461.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,097.08 : 31,651.97 = 6,306.48 : x
  2. Step 2: Convert to fraction form
    21,097.08/31,651.97 = 6,306.48/x
  3. Step 3: Cross multiply
    21,097.08x = 31,651.97 × 6,306.48
  4. Step 4: Simplify right side
    21,097.08x = 199,612,515.77
  5. Step 5: Solve for x
    x = 199,612,515.77/21,097.08
  6. Step 6: Final answer
    x = 9,461.62

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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.