Home / 18,148.69-25,042.49-10,189.38

Finding the Fourth Proportional to 18,148.69, 25,042.49 and 10,189.38

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Solution

The fourth proportional to 18,148.69, 25,042.49 and 10,189.38 is: 14,059.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.69 : 25,042.49 = 10,189.38 : x
  2. Step 2: Convert to fraction form
    18,148.69/25,042.49 = 10,189.38/x
  3. Step 3: Cross multiply
    18,148.69x = 25,042.49 × 10,189.38
  4. Step 4: Simplify right side
    18,148.69x = 255,167,434.02
  5. Step 5: Solve for x
    x = 255,167,434.02/18,148.69
  6. Step 6: Final answer
    x = 14,059.82

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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.