Home / 10,603.72-15,903.30-4,027.60

Finding the Fourth Proportional to 10,603.72, 15,903.30 and 4,027.60

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Solution

The fourth proportional to 10,603.72, 15,903.30 and 4,027.60 is: 6,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.72 : 15,903.30 = 4,027.60 : x
  2. Step 2: Convert to fraction form
    10,603.72/15,903.30 = 4,027.60/x
  3. Step 3: Cross multiply
    10,603.72x = 15,903.30 × 4,027.60
  4. Step 4: Simplify right side
    10,603.72x = 64,052,131.08
  5. Step 5: Solve for x
    x = 64,052,131.08/10,603.72
  6. Step 6: Final answer
    x = 6,040.53

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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.