Home / 18,566.97-25,622.07-10,500.49

Finding the Fourth Proportional to 18,566.97, 25,622.07 and 10,500.49

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Solution

The fourth proportional to 18,566.97, 25,622.07 and 10,500.49 is: 14,490.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.97 : 25,622.07 = 10,500.49 : x
  2. Step 2: Convert to fraction form
    18,566.97/25,622.07 = 10,500.49/x
  3. Step 3: Cross multiply
    18,566.97x = 25,622.07 × 10,500.49
  4. Step 4: Simplify right side
    18,566.97x = 269,044,161.70
  5. Step 5: Solve for x
    x = 269,044,161.70/18,566.97
  6. Step 6: Final answer
    x = 14,490.47

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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.