Home / 19,108.53-28,642.14-8,021.25

Finding the Fourth Proportional to 19,108.53, 28,642.14 and 8,021.25

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Solution

The fourth proportional to 19,108.53, 28,642.14 and 8,021.25 is: 12,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.53 : 28,642.14 = 8,021.25 : x
  2. Step 2: Convert to fraction form
    19,108.53/28,642.14 = 8,021.25/x
  3. Step 3: Cross multiply
    19,108.53x = 28,642.14 × 8,021.25
  4. Step 4: Simplify right side
    19,108.53x = 229,745,765.48
  5. Step 5: Solve for x
    x = 229,745,765.48/19,108.53
  6. Step 6: Final answer
    x = 12,023.20

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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.