Home / 18,217.90-27,326.83-5,070.28

Finding the Fourth Proportional to 18,217.90, 27,326.83 and 5,070.28

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Solution

The fourth proportional to 18,217.90, 27,326.83 and 5,070.28 is: 7,605.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.90 : 27,326.83 = 5,070.28 : x
  2. Step 2: Convert to fraction form
    18,217.90/27,326.83 = 5,070.28/x
  3. Step 3: Cross multiply
    18,217.90x = 27,326.83 × 5,070.28
  4. Step 4: Simplify right side
    18,217.90x = 138,554,679.61
  5. Step 5: Solve for x
    x = 138,554,679.61/18,217.90
  6. Step 6: Final answer
    x = 7,605.41

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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.