Home / 9,135.97-13,623.73-9,052.81

Finding the Fourth Proportional to 9,135.97, 13,623.73 and 9,052.81

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Solution

The fourth proportional to 9,135.97, 13,623.73 and 9,052.81 is: 13,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.97 : 13,623.73 = 9,052.81 : x
  2. Step 2: Convert to fraction form
    9,135.97/13,623.73 = 9,052.81/x
  3. Step 3: Cross multiply
    9,135.97x = 13,623.73 × 9,052.81
  4. Step 4: Simplify right side
    9,135.97x = 123,333,039.18
  5. Step 5: Solve for x
    x = 123,333,039.18/9,135.97
  6. Step 6: Final answer
    x = 13,499.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.