Home / 20,160.87-30,230.92-9,058.03

Finding the Fourth Proportional to 20,160.87, 30,230.92 and 9,058.03

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Solution

The fourth proportional to 20,160.87, 30,230.92 and 9,058.03 is: 13,582.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.87 : 30,230.92 = 9,058.03 : x
  2. Step 2: Convert to fraction form
    20,160.87/30,230.92 = 9,058.03/x
  3. Step 3: Cross multiply
    20,160.87x = 30,230.92 × 9,058.03
  4. Step 4: Simplify right side
    20,160.87x = 273,832,580.29
  5. Step 5: Solve for x
    x = 273,832,580.29/20,160.87
  6. Step 6: Final answer
    x = 13,582.38

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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.