Home / 10,126.77-15,188.94-2,730.66

Finding the Fourth Proportional to 10,126.77, 15,188.94 and 2,730.66

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Solution

The fourth proportional to 10,126.77, 15,188.94 and 2,730.66 is: 4,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.77 : 15,188.94 = 2,730.66 : x
  2. Step 2: Convert to fraction form
    10,126.77/15,188.94 = 2,730.66/x
  3. Step 3: Cross multiply
    10,126.77x = 15,188.94 × 2,730.66
  4. Step 4: Simplify right side
    10,126.77x = 41,475,830.90
  5. Step 5: Solve for x
    x = 41,475,830.90/10,126.77
  6. Step 6: Final answer
    x = 4,095.66

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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.