Home / 21,074.09-31,610.82-6,283.07

Finding the Fourth Proportional to 21,074.09, 31,610.82 and 6,283.07

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Solution

The fourth proportional to 21,074.09, 31,610.82 and 6,283.07 is: 9,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074.09 : 31,610.82 = 6,283.07 : x
  2. Step 2: Convert to fraction form
    21,074.09/31,610.82 = 6,283.07/x
  3. Step 3: Cross multiply
    21,074.09x = 31,610.82 × 6,283.07
  4. Step 4: Simplify right side
    21,074.09x = 198,612,994.82
  5. Step 5: Solve for x
    x = 198,612,994.82/21,074.09
  6. Step 6: Final answer
    x = 9,424.51

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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.