Home / 18,534.09-27,804.91-5,386.17

Finding the Fourth Proportional to 18,534.09, 27,804.91 and 5,386.17

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Solution

The fourth proportional to 18,534.09, 27,804.91 and 5,386.17 is: 8,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534.09 : 27,804.91 = 5,386.17 : x
  2. Step 2: Convert to fraction form
    18,534.09/27,804.91 = 5,386.17/x
  3. Step 3: Cross multiply
    18,534.09x = 27,804.91 × 5,386.17
  4. Step 4: Simplify right side
    18,534.09x = 149,761,972.09
  5. Step 5: Solve for x
    x = 149,761,972.09/18,534.09
  6. Step 6: Final answer
    x = 8,080.35

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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.