Home / 20,464.53-30,708.56-8,617.37

Finding the Fourth Proportional to 20,464.53, 30,708.56 and 8,617.37

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Solution

The fourth proportional to 20,464.53, 30,708.56 and 8,617.37 is: 12,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464.53 : 30,708.56 = 8,617.37 : x
  2. Step 2: Convert to fraction form
    20,464.53/30,708.56 = 8,617.37/x
  3. Step 3: Cross multiply
    20,464.53x = 30,708.56 × 8,617.37
  4. Step 4: Simplify right side
    20,464.53x = 264,626,827.06
  5. Step 5: Solve for x
    x = 264,626,827.06/20,464.53
  6. Step 6: Final answer
    x = 12,931.00

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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.