Home / 18,950.30-28,425.54-5,802.66

Finding the Fourth Proportional to 18,950.30, 28,425.54 and 5,802.66

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Solution

The fourth proportional to 18,950.30, 28,425.54 and 5,802.66 is: 8,704.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.30 : 28,425.54 = 5,802.66 : x
  2. Step 2: Convert to fraction form
    18,950.30/28,425.54 = 5,802.66/x
  3. Step 3: Cross multiply
    18,950.30x = 28,425.54 × 5,802.66
  4. Step 4: Simplify right side
    18,950.30x = 164,943,743.94
  5. Step 5: Solve for x
    x = 164,943,743.94/18,950.30
  6. Step 6: Final answer
    x = 8,704.02

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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.