Home / 10,203.36-15,305.91-4,360.02

Finding the Fourth Proportional to 10,203.36, 15,305.91 and 4,360.02

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Solution

The fourth proportional to 10,203.36, 15,305.91 and 4,360.02 is: 6,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.36 : 15,305.91 = 4,360.02 : x
  2. Step 2: Convert to fraction form
    10,203.36/15,305.91 = 4,360.02/x
  3. Step 3: Cross multiply
    10,203.36x = 15,305.91 × 4,360.02
  4. Step 4: Simplify right side
    10,203.36x = 66,734,073.72
  5. Step 5: Solve for x
    x = 66,734,073.72/10,203.36
  6. Step 6: Final answer
    x = 6,540.40

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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.