Home / 10,203.72-15,305.55-3,630.16

Finding the Fourth Proportional to 10,203.72, 15,305.55 and 3,630.16

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Solution

The fourth proportional to 10,203.72, 15,305.55 and 3,630.16 is: 5,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.72 : 15,305.55 = 3,630.16 : x
  2. Step 2: Convert to fraction form
    10,203.72/15,305.55 = 3,630.16/x
  3. Step 3: Cross multiply
    10,203.72x = 15,305.55 × 3,630.16
  4. Step 4: Simplify right side
    10,203.72x = 55,561,595.39
  5. Step 5: Solve for x
    x = 55,561,595.39/10,203.72
  6. Step 6: Final answer
    x = 5,445.23

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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.