Home / 11,425.97-17,139.47-4,030.50

Finding the Fourth Proportional to 11,425.97, 17,139.47 and 4,030.50

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Solution

The fourth proportional to 11,425.97, 17,139.47 and 4,030.50 is: 6,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.97 : 17,139.47 = 4,030.50 : x
  2. Step 2: Convert to fraction form
    11,425.97/17,139.47 = 4,030.50/x
  3. Step 3: Cross multiply
    11,425.97x = 17,139.47 × 4,030.50
  4. Step 4: Simplify right side
    11,425.97x = 69,080,613.68
  5. Step 5: Solve for x
    x = 69,080,613.68/11,425.97
  6. Step 6: Final answer
    x = 6,045.93

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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.