Home / 20,604.86-28,434.36-11,652.02

Finding the Fourth Proportional to 20,604.86, 28,434.36 and 11,652.02

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Solution

The fourth proportional to 20,604.86, 28,434.36 and 11,652.02 is: 16,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604.86 : 28,434.36 = 11,652.02 : x
  2. Step 2: Convert to fraction form
    20,604.86/28,434.36 = 11,652.02/x
  3. Step 3: Cross multiply
    20,604.86x = 28,434.36 × 11,652.02
  4. Step 4: Simplify right side
    20,604.86x = 331,317,731.41
  5. Step 5: Solve for x
    x = 331,317,731.41/20,604.86
  6. Step 6: Final answer
    x = 16,079.59

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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.