Home / 18,533.80-27,802.52-5,386.29

Finding the Fourth Proportional to 18,533.80, 27,802.52 and 5,386.29

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Solution

The fourth proportional to 18,533.80, 27,802.52 and 5,386.29 is: 8,079.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.80 : 27,802.52 = 5,386.29 : x
  2. Step 2: Convert to fraction form
    18,533.80/27,802.52 = 5,386.29/x
  3. Step 3: Cross multiply
    18,533.80x = 27,802.52 × 5,386.29
  4. Step 4: Simplify right side
    18,533.80x = 149,752,435.45
  5. Step 5: Solve for x
    x = 149,752,435.45/18,533.80
  6. Step 6: Final answer
    x = 8,079.96

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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.