Home / 20,083.28-30,124.11-9,558.41

Finding the Fourth Proportional to 20,083.28, 30,124.11 and 9,558.41

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Solution

The fourth proportional to 20,083.28, 30,124.11 and 9,558.41 is: 14,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.28 : 30,124.11 = 9,558.41 : x
  2. Step 2: Convert to fraction form
    20,083.28/30,124.11 = 9,558.41/x
  3. Step 3: Cross multiply
    20,083.28x = 30,124.11 × 9,558.41
  4. Step 4: Simplify right side
    20,083.28x = 287,938,594.27
  5. Step 5: Solve for x
    x = 287,938,594.27/20,083.28
  6. Step 6: Final answer
    x = 14,337.23

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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.