Home / 20,617.99-30,911.85-6,569.93

Finding the Fourth Proportional to 20,617.99, 30,911.85 and 6,569.93

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Solution

The fourth proportional to 20,617.99, 30,911.85 and 6,569.93 is: 9,850.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617.99 : 30,911.85 = 6,569.93 : x
  2. Step 2: Convert to fraction form
    20,617.99/30,911.85 = 6,569.93/x
  3. Step 3: Cross multiply
    20,617.99x = 30,911.85 × 6,569.93
  4. Step 4: Simplify right side
    20,617.99x = 203,088,657.82
  5. Step 5: Solve for x
    x = 203,088,657.82/20,617.99
  6. Step 6: Final answer
    x = 9,850.07

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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.