Home / 10,575.25-15,863.13-3,555.36

Finding the Fourth Proportional to 10,575.25, 15,863.13 and 3,555.36

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Solution

The fourth proportional to 10,575.25, 15,863.13 and 3,555.36 is: 5,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.25 : 15,863.13 = 3,555.36 : x
  2. Step 2: Convert to fraction form
    10,575.25/15,863.13 = 3,555.36/x
  3. Step 3: Cross multiply
    10,575.25x = 15,863.13 × 3,555.36
  4. Step 4: Simplify right side
    10,575.25x = 56,399,058.56
  5. Step 5: Solve for x
    x = 56,399,058.56/10,575.25
  6. Step 6: Final answer
    x = 5,333.12

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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.