Home / 18,886.25-26,052.89-11,711.67

Finding the Fourth Proportional to 18,886.25, 26,052.89 and 11,711.67

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Solution

The fourth proportional to 18,886.25, 26,052.89 and 11,711.67 is: 16,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,886.25 : 26,052.89 = 11,711.67 : x
  2. Step 2: Convert to fraction form
    18,886.25/26,052.89 = 11,711.67/x
  3. Step 3: Cross multiply
    18,886.25x = 26,052.89 × 11,711.67
  4. Step 4: Simplify right side
    18,886.25x = 305,122,791.67
  5. Step 5: Solve for x
    x = 305,122,791.67/18,886.25
  6. Step 6: Final answer
    x = 16,155.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.