Home / 20,184.54-30,280.33-6,856.14

Finding the Fourth Proportional to 20,184.54, 30,280.33 and 6,856.14

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Solution

The fourth proportional to 20,184.54, 30,280.33 and 6,856.14 is: 10,285.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.54 : 30,280.33 = 6,856.14 : x
  2. Step 2: Convert to fraction form
    20,184.54/30,280.33 = 6,856.14/x
  3. Step 3: Cross multiply
    20,184.54x = 30,280.33 × 6,856.14
  4. Step 4: Simplify right side
    20,184.54x = 207,606,303.85
  5. Step 5: Solve for x
    x = 207,606,303.85/20,184.54
  6. Step 6: Final answer
    x = 10,285.41

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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.