Home / 19,265.76-28,892.64-6,121.44

Finding the Fourth Proportional to 19,265.76, 28,892.64 and 6,121.44

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Solution

The fourth proportional to 19,265.76, 28,892.64 and 6,121.44 is: 9,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.76 : 28,892.64 = 6,121.44 : x
  2. Step 2: Convert to fraction form
    19,265.76/28,892.64 = 6,121.44/x
  3. Step 3: Cross multiply
    19,265.76x = 28,892.64 × 6,121.44
  4. Step 4: Simplify right side
    19,265.76x = 176,864,562.20
  5. Step 5: Solve for x
    x = 176,864,562.20/19,265.76
  6. Step 6: Final answer
    x = 9,180.25

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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.