Home / 19,240.73-28,864.13-8,147.48

Finding the Fourth Proportional to 19,240.73, 28,864.13 and 8,147.48

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Solution

The fourth proportional to 19,240.73, 28,864.13 and 8,147.48 is: 12,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.73 : 28,864.13 = 8,147.48 : x
  2. Step 2: Convert to fraction form
    19,240.73/28,864.13 = 8,147.48/x
  3. Step 3: Cross multiply
    19,240.73x = 28,864.13 × 8,147.48
  4. Step 4: Simplify right side
    19,240.73x = 235,169,921.89
  5. Step 5: Solve for x
    x = 235,169,921.89/19,240.73
  6. Step 6: Final answer
    x = 12,222.51

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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.