Home / 10,289.73-15,434.47-2,498.54

Finding the Fourth Proportional to 10,289.73, 15,434.47 and 2,498.54

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Solution

The fourth proportional to 10,289.73, 15,434.47 and 2,498.54 is: 3,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.73 : 15,434.47 = 2,498.54 : x
  2. Step 2: Convert to fraction form
    10,289.73/15,434.47 = 2,498.54/x
  3. Step 3: Cross multiply
    10,289.73x = 15,434.47 × 2,498.54
  4. Step 4: Simplify right side
    10,289.73x = 38,563,640.67
  5. Step 5: Solve for x
    x = 38,563,640.67/10,289.73
  6. Step 6: Final answer
    x = 3,747.78

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1.5x scale

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.