Home / 13,799.96-20,695.02-4,439.60

Finding the Fourth Proportional to 13,799.96, 20,695.02 and 4,439.60

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Solution

The fourth proportional to 13,799.96, 20,695.02 and 4,439.60 is: 6,657.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.96 : 20,695.02 = 4,439.60 : x
  2. Step 2: Convert to fraction form
    13,799.96/20,695.02 = 4,439.60/x
  3. Step 3: Cross multiply
    13,799.96x = 20,695.02 × 4,439.60
  4. Step 4: Simplify right side
    13,799.96x = 91,877,610.79
  5. Step 5: Solve for x
    x = 91,877,610.79/13,799.96
  6. Step 6: Final answer
    x = 6,657.82

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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.