Home / 17,385.57-26,078.09-4,237.92

Finding the Fourth Proportional to 17,385.57, 26,078.09 and 4,237.92

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Solution

The fourth proportional to 17,385.57, 26,078.09 and 4,237.92 is: 6,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.57 : 26,078.09 = 4,237.92 : x
  2. Step 2: Convert to fraction form
    17,385.57/26,078.09 = 4,237.92/x
  3. Step 3: Cross multiply
    17,385.57x = 26,078.09 × 4,237.92
  4. Step 4: Simplify right side
    17,385.57x = 110,516,837.98
  5. Step 5: Solve for x
    x = 110,516,837.98/17,385.57
  6. Step 6: Final answer
    x = 6,356.81

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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.