Home / 12,575.34-18,863.25-3,810.22

Finding the Fourth Proportional to 12,575.34, 18,863.25 and 3,810.22

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Solution

The fourth proportional to 12,575.34, 18,863.25 and 3,810.22 is: 5,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.34 : 18,863.25 = 3,810.22 : x
  2. Step 2: Convert to fraction form
    12,575.34/18,863.25 = 3,810.22/x
  3. Step 3: Cross multiply
    12,575.34x = 18,863.25 × 3,810.22
  4. Step 4: Simplify right side
    12,575.34x = 71,873,132.42
  5. Step 5: Solve for x
    x = 71,873,132.42/12,575.34
  6. Step 6: Final answer
    x = 5,715.40

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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.