Home / 18,053.40-27,080.81-5,572.31

Finding the Fourth Proportional to 18,053.40, 27,080.81 and 5,572.31

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Solution

The fourth proportional to 18,053.40, 27,080.81 and 5,572.31 is: 8,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.40 : 27,080.81 = 5,572.31 : x
  2. Step 2: Convert to fraction form
    18,053.40/27,080.81 = 5,572.31/x
  3. Step 3: Cross multiply
    18,053.40x = 27,080.81 × 5,572.31
  4. Step 4: Simplify right side
    18,053.40x = 150,902,640.51
  5. Step 5: Solve for x
    x = 150,902,640.51/18,053.40
  6. Step 6: Final answer
    x = 8,358.68

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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.