Home / 20,137.24-30,215.76-9,051.76

Finding the Fourth Proportional to 20,137.24, 30,215.76 and 9,051.76

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Solution

The fourth proportional to 20,137.24, 30,215.76 and 9,051.76 is: 13,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,137.24 : 30,215.76 = 9,051.76 : x
  2. Step 2: Convert to fraction form
    20,137.24/30,215.76 = 9,051.76/x
  3. Step 3: Cross multiply
    20,137.24x = 30,215.76 × 9,051.76
  4. Step 4: Simplify right side
    20,137.24x = 273,505,807.74
  5. Step 5: Solve for x
    x = 273,505,807.74/20,137.24
  6. Step 6: Final answer
    x = 13,582.09

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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.