Home / 10,289.66-15,434.47-2,498.48

Finding the Fourth Proportional to 10,289.66, 15,434.47 and 2,498.48

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Solution

The fourth proportional to 10,289.66, 15,434.47 and 2,498.48 is: 3,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.66 : 15,434.47 = 2,498.48 : x
  2. Step 2: Convert to fraction form
    10,289.66/15,434.47 = 2,498.48/x
  3. Step 3: Cross multiply
    10,289.66x = 15,434.47 × 2,498.48
  4. Step 4: Simplify right side
    10,289.66x = 38,562,657.09
  5. Step 5: Solve for x
    x = 38,562,657.09/10,289.66
  6. Step 6: Final answer
    x = 3,747.71

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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.