Home / 9,901.21-13,663.60-5,923.30

Finding the Fourth Proportional to 9,901.21, 13,663.60 and 5,923.30

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Solution

The fourth proportional to 9,901.21, 13,663.60 and 5,923.30 is: 8,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901.21 : 13,663.60 = 5,923.30 : x
  2. Step 2: Convert to fraction form
    9,901.21/13,663.60 = 5,923.30/x
  3. Step 3: Cross multiply
    9,901.21x = 13,663.60 × 5,923.30
  4. Step 4: Simplify right side
    9,901.21x = 80,933,601.88
  5. Step 5: Solve for x
    x = 80,933,601.88/9,901.21
  6. Step 6: Final answer
    x = 8,174.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.