Home / 13,557.02-20,336.47-4,195.80

Finding the Fourth Proportional to 13,557.02, 20,336.47 and 4,195.80

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Solution

The fourth proportional to 13,557.02, 20,336.47 and 4,195.80 is: 6,293.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.02 : 20,336.47 = 4,195.80 : x
  2. Step 2: Convert to fraction form
    13,557.02/20,336.47 = 4,195.80/x
  3. Step 3: Cross multiply
    13,557.02x = 20,336.47 × 4,195.80
  4. Step 4: Simplify right side
    13,557.02x = 85,327,760.83
  5. Step 5: Solve for x
    x = 85,327,760.83/13,557.02
  6. Step 6: Final answer
    x = 6,293.99

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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.