Home / 20,463.71-28,230.73-12,504.44

Finding the Fourth Proportional to 20,463.71, 28,230.73 and 12,504.44

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Solution

The fourth proportional to 20,463.71, 28,230.73 and 12,504.44 is: 17,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463.71 : 28,230.73 = 12,504.44 : x
  2. Step 2: Convert to fraction form
    20,463.71/28,230.73 = 12,504.44/x
  3. Step 3: Cross multiply
    20,463.71x = 28,230.73 × 12,504.44
  4. Step 4: Simplify right side
    20,463.71x = 353,009,508.76
  5. Step 5: Solve for x
    x = 353,009,508.76/20,463.71
  6. Step 6: Final answer
    x = 17,250.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.