Home / 18,208.72-25,128.93-10,251.82

Finding the Fourth Proportional to 18,208.72, 25,128.93 and 10,251.82

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Solution

The fourth proportional to 18,208.72, 25,128.93 and 10,251.82 is: 14,148.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.72 : 25,128.93 = 10,251.82 : x
  2. Step 2: Convert to fraction form
    18,208.72/25,128.93 = 10,251.82/x
  3. Step 3: Cross multiply
    18,208.72x = 25,128.93 × 10,251.82
  4. Step 4: Simplify right side
    18,208.72x = 257,617,267.15
  5. Step 5: Solve for x
    x = 257,617,267.15/18,208.72
  6. Step 6: Final answer
    x = 14,148.02

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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.