Home / 18,077.09-27,110.75-6,981.71

Finding the Fourth Proportional to 18,077.09, 27,110.75 and 6,981.71

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Solution

The fourth proportional to 18,077.09, 27,110.75 and 6,981.71 is: 10,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.09 : 27,110.75 = 6,981.71 : x
  2. Step 2: Convert to fraction form
    18,077.09/27,110.75 = 6,981.71/x
  3. Step 3: Cross multiply
    18,077.09x = 27,110.75 × 6,981.71
  4. Step 4: Simplify right side
    18,077.09x = 189,279,223.92
  5. Step 5: Solve for x
    x = 189,279,223.92/18,077.09
  6. Step 6: Final answer
    x = 10,470.67

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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.