Home / 10,372.96-15,551.90-4,131.10

Finding the Fourth Proportional to 10,372.96, 15,551.90 and 4,131.10

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Solution

The fourth proportional to 10,372.96, 15,551.90 and 4,131.10 is: 6,193.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.96 : 15,551.90 = 4,131.10 : x
  2. Step 2: Convert to fraction form
    10,372.96/15,551.90 = 4,131.10/x
  3. Step 3: Cross multiply
    10,372.96x = 15,551.90 × 4,131.10
  4. Step 4: Simplify right side
    10,372.96x = 64,246,468.37
  5. Step 5: Solve for x
    x = 64,246,468.37/10,372.96
  6. Step 6: Final answer
    x = 6,193.65

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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.