Home / 18,867.16-26,048.85-11,704.72

Finding the Fourth Proportional to 18,867.16, 26,048.85 and 11,704.72

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Solution

The fourth proportional to 18,867.16, 26,048.85 and 11,704.72 is: 16,160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867.16 : 26,048.85 = 11,704.72 : x
  2. Step 2: Convert to fraction form
    18,867.16/26,048.85 = 11,704.72/x
  3. Step 3: Cross multiply
    18,867.16x = 26,048.85 × 11,704.72
  4. Step 4: Simplify right side
    18,867.16x = 304,894,495.57
  5. Step 5: Solve for x
    x = 304,894,495.57/18,867.16
  6. Step 6: Final answer
    x = 16,160.06

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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.