Home / 18,228.19-27,344.57-7,133.45

Finding the Fourth Proportional to 18,228.19, 27,344.57 and 7,133.45

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Solution

The fourth proportional to 18,228.19, 27,344.57 and 7,133.45 is: 10,701.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.19 : 27,344.57 = 7,133.45 : x
  2. Step 2: Convert to fraction form
    18,228.19/27,344.57 = 7,133.45/x
  3. Step 3: Cross multiply
    18,228.19x = 27,344.57 × 7,133.45
  4. Step 4: Simplify right side
    18,228.19x = 195,061,054.51
  5. Step 5: Solve for x
    x = 195,061,054.51/18,228.19
  6. Step 6: Final answer
    x = 10,701.06

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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.