Home / 17,867.84-26,804.50-5,386.21

Finding the Fourth Proportional to 17,867.84, 26,804.50 and 5,386.21

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Solution

The fourth proportional to 17,867.84, 26,804.50 and 5,386.21 is: 8,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.84 : 26,804.50 = 5,386.21 : x
  2. Step 2: Convert to fraction form
    17,867.84/26,804.50 = 5,386.21/x
  3. Step 3: Cross multiply
    17,867.84x = 26,804.50 × 5,386.21
  4. Step 4: Simplify right side
    17,867.84x = 144,374,585.47
  5. Step 5: Solve for x
    x = 144,374,585.47/17,867.84
  6. Step 6: Final answer
    x = 8,080.14

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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.