Home / 20,165.10-30,245.56-6,124.56

Finding the Fourth Proportional to 20,165.10, 30,245.56 and 6,124.56

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Solution

The fourth proportional to 20,165.10, 30,245.56 and 6,124.56 is: 9,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165.10 : 30,245.56 = 6,124.56 : x
  2. Step 2: Convert to fraction form
    20,165.10/30,245.56 = 6,124.56/x
  3. Step 3: Cross multiply
    20,165.10x = 30,245.56 × 6,124.56
  4. Step 4: Simplify right side
    20,165.10x = 185,240,746.95
  5. Step 5: Solve for x
    x = 185,240,746.95/20,165.10
  6. Step 6: Final answer
    x = 9,186.21

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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.