Home / 9,947.36-14,905.84-5,003.20

Finding the Fourth Proportional to 9,947.36, 14,905.84 and 5,003.20

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Solution

The fourth proportional to 9,947.36, 14,905.84 and 5,003.20 is: 7,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.36 : 14,905.84 = 5,003.20 : x
  2. Step 2: Convert to fraction form
    9,947.36/14,905.84 = 5,003.20/x
  3. Step 3: Cross multiply
    9,947.36x = 14,905.84 × 5,003.20
  4. Step 4: Simplify right side
    9,947.36x = 74,576,898.69
  5. Step 5: Solve for x
    x = 74,576,898.69/9,947.36
  6. Step 6: Final answer
    x = 7,497.15

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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.