Home / 10,289.76-15,434.68-2,498.57

Finding the Fourth Proportional to 10,289.76, 15,434.68 and 2,498.57

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Solution

The fourth proportional to 10,289.76, 15,434.68 and 2,498.57 is: 3,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.76 : 15,434.68 = 2,498.57 : x
  2. Step 2: Convert to fraction form
    10,289.76/15,434.68 = 2,498.57/x
  3. Step 3: Cross multiply
    10,289.76x = 15,434.68 × 2,498.57
  4. Step 4: Simplify right side
    10,289.76x = 38,564,628.41
  5. Step 5: Solve for x
    x = 38,564,628.41/10,289.76
  6. Step 6: Final answer
    x = 3,747.86

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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.