Home / 19,246.02-28,847.14-8,145.78

Finding the Fourth Proportional to 19,246.02, 28,847.14 and 8,145.78

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Solution

The fourth proportional to 19,246.02, 28,847.14 and 8,145.78 is: 12,209.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.02 : 28,847.14 = 8,145.78 : x
  2. Step 2: Convert to fraction form
    19,246.02/28,847.14 = 8,145.78/x
  3. Step 3: Cross multiply
    19,246.02x = 28,847.14 × 8,145.78
  4. Step 4: Simplify right side
    19,246.02x = 234,982,456.07
  5. Step 5: Solve for x
    x = 234,982,456.07/19,246.02
  6. Step 6: Final answer
    x = 12,209.41

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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.