Home / 17,102.72-25,633.02-12,145.52

Finding the Fourth Proportional to 17,102.72, 25,633.02 and 12,145.52

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Solution

The fourth proportional to 17,102.72, 25,633.02 and 12,145.52 is: 18,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,102.72 : 25,633.02 = 12,145.52 : x
  2. Step 2: Convert to fraction form
    17,102.72/25,633.02 = 12,145.52/x
  3. Step 3: Cross multiply
    17,102.72x = 25,633.02 × 12,145.52
  4. Step 4: Simplify right side
    17,102.72x = 311,326,302.26
  5. Step 5: Solve for x
    x = 311,326,302.26/17,102.72
  6. Step 6: Final answer
    x = 18,203.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.