Home / 20,379.02-30,568.64-9,277.94

Finding the Fourth Proportional to 20,379.02, 30,568.64 and 9,277.94

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Solution

The fourth proportional to 20,379.02, 30,568.64 and 9,277.94 is: 13,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,379.02 : 30,568.64 = 9,277.94 : x
  2. Step 2: Convert to fraction form
    20,379.02/30,568.64 = 9,277.94/x
  3. Step 3: Cross multiply
    20,379.02x = 30,568.64 × 9,277.94
  4. Step 4: Simplify right side
    20,379.02x = 283,614,007.80
  5. Step 5: Solve for x
    x = 283,614,007.80/20,379.02
  6. Step 6: Final answer
    x = 13,916.96

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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.