Home / 18,610.08-25,680.96-10,651.68

Finding the Fourth Proportional to 18,610.08, 25,680.96 and 10,651.68

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Solution

The fourth proportional to 18,610.08, 25,680.96 and 10,651.68 is: 14,698.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.08 : 25,680.96 = 10,651.68 : x
  2. Step 2: Convert to fraction form
    18,610.08/25,680.96 = 10,651.68/x
  3. Step 3: Cross multiply
    18,610.08x = 25,680.96 × 10,651.68
  4. Step 4: Simplify right side
    18,610.08x = 273,545,368.01
  5. Step 5: Solve for x
    x = 273,545,368.01/18,610.08
  6. Step 6: Final answer
    x = 14,698.77

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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.