Home / 21,072.97-31,599.42-6,276.70

Finding the Fourth Proportional to 21,072.97, 31,599.42 and 6,276.70

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Solution

The fourth proportional to 21,072.97, 31,599.42 and 6,276.70 is: 9,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,072.97 : 31,599.42 = 6,276.70 : x
  2. Step 2: Convert to fraction form
    21,072.97/31,599.42 = 6,276.70/x
  3. Step 3: Cross multiply
    21,072.97x = 31,599.42 × 6,276.70
  4. Step 4: Simplify right side
    21,072.97x = 198,340,079.51
  5. Step 5: Solve for x
    x = 198,340,079.51/21,072.97
  6. Step 6: Final answer
    x = 9,412.06

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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.