Home / 10,021.66-15,026.92-4,102.70

Finding the Fourth Proportional to 10,021.66, 15,026.92 and 4,102.70

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Solution

The fourth proportional to 10,021.66, 15,026.92 and 4,102.70 is: 6,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.66 : 15,026.92 = 4,102.70 : x
  2. Step 2: Convert to fraction form
    10,021.66/15,026.92 = 4,102.70/x
  3. Step 3: Cross multiply
    10,021.66x = 15,026.92 × 4,102.70
  4. Step 4: Simplify right side
    10,021.66x = 61,650,944.68
  5. Step 5: Solve for x
    x = 61,650,944.68/10,021.66
  6. Step 6: Final answer
    x = 6,151.77

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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.