Home / 10,372.64-15,549.30-4,131.45

Finding the Fourth Proportional to 10,372.64, 15,549.30 and 4,131.45

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Solution

The fourth proportional to 10,372.64, 15,549.30 and 4,131.45 is: 6,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.64 : 15,549.30 = 4,131.45 : x
  2. Step 2: Convert to fraction form
    10,372.64/15,549.30 = 4,131.45/x
  3. Step 3: Cross multiply
    10,372.64x = 15,549.30 × 4,131.45
  4. Step 4: Simplify right side
    10,372.64x = 64,241,155.49
  5. Step 5: Solve for x
    x = 64,241,155.49/10,372.64
  6. Step 6: Final answer
    x = 6,193.33

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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.