Home / 20,569.66-30,833.71-8,098.43

Finding the Fourth Proportional to 20,569.66, 30,833.71 and 8,098.43

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Solution

The fourth proportional to 20,569.66, 30,833.71 and 8,098.43 is: 12,139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,569.66 : 30,833.71 = 8,098.43 : x
  2. Step 2: Convert to fraction form
    20,569.66/30,833.71 = 8,098.43/x
  3. Step 3: Cross multiply
    20,569.66x = 30,833.71 × 8,098.43
  4. Step 4: Simplify right side
    20,569.66x = 249,704,642.08
  5. Step 5: Solve for x
    x = 249,704,642.08/20,569.66
  6. Step 6: Final answer
    x = 12,139.46

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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.