Home / 18,764.79-25,895.74-10,267.66

Finding the Fourth Proportional to 18,764.79, 25,895.74 and 10,267.66

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Solution

The fourth proportional to 18,764.79, 25,895.74 and 10,267.66 is: 14,169.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764.79 : 25,895.74 = 10,267.66 : x
  2. Step 2: Convert to fraction form
    18,764.79/25,895.74 = 10,267.66/x
  3. Step 3: Cross multiply
    18,764.79x = 25,895.74 × 10,267.66
  4. Step 4: Simplify right side
    18,764.79x = 265,888,505.65
  5. Step 5: Solve for x
    x = 265,888,505.65/18,764.79
  6. Step 6: Final answer
    x = 14,169.54

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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.