Home / 21,295.41-31,943.12-6,503.54

Finding the Fourth Proportional to 21,295.41, 31,943.12 and 6,503.54

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Solution

The fourth proportional to 21,295.41, 31,943.12 and 6,503.54 is: 9,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295.41 : 31,943.12 = 6,503.54 : x
  2. Step 2: Convert to fraction form
    21,295.41/31,943.12 = 6,503.54/x
  3. Step 3: Cross multiply
    21,295.41x = 31,943.12 × 6,503.54
  4. Step 4: Simplify right side
    21,295.41x = 207,743,166.41
  5. Step 5: Solve for x
    x = 207,743,166.41/21,295.41
  6. Step 6: Final answer
    x = 9,755.30

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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.