Home / 21,074.94-31,612.37-6,283.49

Finding the Fourth Proportional to 21,074.94, 31,612.37 and 6,283.49

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Solution

The fourth proportional to 21,074.94, 31,612.37 and 6,283.49 is: 9,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074.94 : 31,612.37 = 6,283.49 : x
  2. Step 2: Convert to fraction form
    21,074.94/31,612.37 = 6,283.49/x
  3. Step 3: Cross multiply
    21,074.94x = 31,612.37 × 6,283.49
  4. Step 4: Simplify right side
    21,074.94x = 198,635,821.29
  5. Step 5: Solve for x
    x = 198,635,821.29/21,074.94
  6. Step 6: Final answer
    x = 9,425.21

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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.