Home / 9,112.81-13,669.20-7,035.84

Finding the Fourth Proportional to 9,112.81, 13,669.20 and 7,035.84

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Solution

The fourth proportional to 9,112.81, 13,669.20 and 7,035.84 is: 10,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.81 : 13,669.20 = 7,035.84 : x
  2. Step 2: Convert to fraction form
    9,112.81/13,669.20 = 7,035.84/x
  3. Step 3: Cross multiply
    9,112.81x = 13,669.20 × 7,035.84
  4. Step 4: Simplify right side
    9,112.81x = 96,174,304.13
  5. Step 5: Solve for x
    x = 96,174,304.13/9,112.81
  6. Step 6: Final answer
    x = 10,553.75

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1.5x scale

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.