Home / 9,900.12-14,834.36-7,255.36

Finding the Fourth Proportional to 9,900.12, 14,834.36 and 7,255.36

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Solution

The fourth proportional to 9,900.12, 14,834.36 and 7,255.36 is: 10,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900.12 : 14,834.36 = 7,255.36 : x
  2. Step 2: Convert to fraction form
    9,900.12/14,834.36 = 7,255.36/x
  3. Step 3: Cross multiply
    9,900.12x = 14,834.36 × 7,255.36
  4. Step 4: Simplify right side
    9,900.12x = 107,628,622.17
  5. Step 5: Solve for x
    x = 107,628,622.17/9,900.12
  6. Step 6: Final answer
    x = 10,871.45

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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.