Home / 20,607.66-30,913.52-5,816.70

Finding the Fourth Proportional to 20,607.66, 30,913.52 and 5,816.70

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Solution

The fourth proportional to 20,607.66, 30,913.52 and 5,816.70 is: 8,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607.66 : 30,913.52 = 5,816.70 : x
  2. Step 2: Convert to fraction form
    20,607.66/30,913.52 = 5,816.70/x
  3. Step 3: Cross multiply
    20,607.66x = 30,913.52 × 5,816.70
  4. Step 4: Simplify right side
    20,607.66x = 179,814,642.70
  5. Step 5: Solve for x
    x = 179,814,642.70/20,607.66
  6. Step 6: Final answer
    x = 8,725.62

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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.