Home / 20,541.24-30,824.10-8,854.20

Finding the Fourth Proportional to 20,541.24, 30,824.10 and 8,854.20

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Solution

The fourth proportional to 20,541.24, 30,824.10 and 8,854.20 is: 13,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.24 : 30,824.10 = 8,854.20 : x
  2. Step 2: Convert to fraction form
    20,541.24/30,824.10 = 8,854.20/x
  3. Step 3: Cross multiply
    20,541.24x = 30,824.10 × 8,854.20
  4. Step 4: Simplify right side
    20,541.24x = 272,922,746.22
  5. Step 5: Solve for x
    x = 272,922,746.22/20,541.24
  6. Step 6: Final answer
    x = 13,286.58

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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.