Home / 18,717.08-25,798.80-13,268.00

Finding the Fourth Proportional to 18,717.08, 25,798.80 and 13,268.00

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Solution

The fourth proportional to 18,717.08, 25,798.80 and 13,268.00 is: 18,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.08 : 25,798.80 = 13,268.00 : x
  2. Step 2: Convert to fraction form
    18,717.08/25,798.80 = 13,268.00/x
  3. Step 3: Cross multiply
    18,717.08x = 25,798.80 × 13,268.00
  4. Step 4: Simplify right side
    18,717.08x = 342,298,592.65
  5. Step 5: Solve for x
    x = 342,298,592.65/18,717.08
  6. Step 6: Final answer
    x = 18,288.04

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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.