Home / 18,950.36-28,425.26-8,417.59

Finding the Fourth Proportional to 18,950.36, 28,425.26 and 8,417.59

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Solution

The fourth proportional to 18,950.36, 28,425.26 and 8,417.59 is: 12,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.36 : 28,425.26 = 8,417.59 : x
  2. Step 2: Convert to fraction form
    18,950.36/28,425.26 = 8,417.59/x
  3. Step 3: Cross multiply
    18,950.36x = 28,425.26 × 8,417.59
  4. Step 4: Simplify right side
    18,950.36x = 239,272,134.30
  5. Step 5: Solve for x
    x = 239,272,134.30/18,950.36
  6. Step 6: Final answer
    x = 12,626.26

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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.