Home / 20,612.47-30,917.15-6,571.93

Finding the Fourth Proportional to 20,612.47, 30,917.15 and 6,571.93

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Solution

The fourth proportional to 20,612.47, 30,917.15 and 6,571.93 is: 9,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,612.47 : 30,917.15 = 6,571.93 : x
  2. Step 2: Convert to fraction form
    20,612.47/30,917.15 = 6,571.93/x
  3. Step 3: Cross multiply
    20,612.47x = 30,917.15 × 6,571.93
  4. Step 4: Simplify right side
    20,612.47x = 203,185,306.95
  5. Step 5: Solve for x
    x = 203,185,306.95/20,612.47
  6. Step 6: Final answer
    x = 9,857.40

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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.