Home / 20,762.24-28,654.08-12,268.56

Finding the Fourth Proportional to 20,762.24, 28,654.08 and 12,268.56

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Solution

The fourth proportional to 20,762.24, 28,654.08 and 12,268.56 is: 16,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,762.24 : 28,654.08 = 12,268.56 : x
  2. Step 2: Convert to fraction form
    20,762.24/28,654.08 = 12,268.56/x
  3. Step 3: Cross multiply
    20,762.24x = 28,654.08 × 12,268.56
  4. Step 4: Simplify right side
    20,762.24x = 351,544,299.72
  5. Step 5: Solve for x
    x = 351,544,299.72/20,762.24
  6. Step 6: Final answer
    x = 16,931.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.