Home / 18,600.36-25,668.54-10,644.12

Finding the Fourth Proportional to 18,600.36, 25,668.54 and 10,644.12

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Solution

The fourth proportional to 18,600.36, 25,668.54 and 10,644.12 is: 14,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.36 : 25,668.54 = 10,644.12 : x
  2. Step 2: Convert to fraction form
    18,600.36/25,668.54 = 10,644.12/x
  3. Step 3: Cross multiply
    18,600.36x = 25,668.54 × 10,644.12
  4. Step 4: Simplify right side
    18,600.36x = 273,219,019.98
  5. Step 5: Solve for x
    x = 273,219,019.98/18,600.36
  6. Step 6: Final answer
    x = 14,688.91

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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.