Home / 18,746.76-28,098.26-10,422.78

Finding the Fourth Proportional to 18,746.76, 28,098.26 and 10,422.78

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Solution

The fourth proportional to 18,746.76, 28,098.26 and 10,422.78 is: 15,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.76 : 28,098.26 = 10,422.78 : x
  2. Step 2: Convert to fraction form
    18,746.76/28,098.26 = 10,422.78/x
  3. Step 3: Cross multiply
    18,746.76x = 28,098.26 × 10,422.78
  4. Step 4: Simplify right side
    18,746.76x = 292,861,982.36
  5. Step 5: Solve for x
    x = 292,861,982.36/18,746.76
  6. Step 6: Final answer
    x = 15,622.01

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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.