Home / 18,814.48-25,958.81-11,640.95

Finding the Fourth Proportional to 18,814.48, 25,958.81 and 11,640.95

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Solution

The fourth proportional to 18,814.48, 25,958.81 and 11,640.95 is: 16,061.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.48 : 25,958.81 = 11,640.95 : x
  2. Step 2: Convert to fraction form
    18,814.48/25,958.81 = 11,640.95/x
  3. Step 3: Cross multiply
    18,814.48x = 25,958.81 × 11,640.95
  4. Step 4: Simplify right side
    18,814.48x = 302,185,209.27
  5. Step 5: Solve for x
    x = 302,185,209.27/18,814.48
  6. Step 6: Final answer
    x = 16,061.31

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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.