Home / 21,052.58-31,578.36-6,261.63

Finding the Fourth Proportional to 21,052.58, 31,578.36 and 6,261.63

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Solution

The fourth proportional to 21,052.58, 31,578.36 and 6,261.63 is: 9,392.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.58 : 31,578.36 = 6,261.63 : x
  2. Step 2: Convert to fraction form
    21,052.58/31,578.36 = 6,261.63/x
  3. Step 3: Cross multiply
    21,052.58x = 31,578.36 × 6,261.63
  4. Step 4: Simplify right side
    21,052.58x = 197,732,006.33
  5. Step 5: Solve for x
    x = 197,732,006.33/21,052.58
  6. Step 6: Final answer
    x = 9,392.29

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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.