Home / 12,670.18-18,976.71-6,101.28

Finding the Fourth Proportional to 12,670.18, 18,976.71 and 6,101.28

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Solution

The fourth proportional to 12,670.18, 18,976.71 and 6,101.28 is: 9,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.18 : 18,976.71 = 6,101.28 : x
  2. Step 2: Convert to fraction form
    12,670.18/18,976.71 = 6,101.28/x
  3. Step 3: Cross multiply
    12,670.18x = 18,976.71 × 6,101.28
  4. Step 4: Simplify right side
    12,670.18x = 115,782,221.19
  5. Step 5: Solve for x
    x = 115,782,221.19/12,670.18
  6. Step 6: Final answer
    x = 9,138.17

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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.