Home / 18,712.50-28,076.04-7,026.63

Finding the Fourth Proportional to 18,712.50, 28,076.04 and 7,026.63

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Solution

The fourth proportional to 18,712.50, 28,076.04 and 7,026.63 is: 10,542.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712.50 : 28,076.04 = 7,026.63 : x
  2. Step 2: Convert to fraction form
    18,712.50/28,076.04 = 7,026.63/x
  3. Step 3: Cross multiply
    18,712.50x = 28,076.04 × 7,026.63
  4. Step 4: Simplify right side
    18,712.50x = 197,279,944.95
  5. Step 5: Solve for x
    x = 197,279,944.95/18,712.50
  6. Step 6: Final answer
    x = 10,542.68

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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.