Home / 13,355.79-20,035.02-4,589.55

Finding the Fourth Proportional to 13,355.79, 20,035.02 and 4,589.55

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Solution

The fourth proportional to 13,355.79, 20,035.02 and 4,589.55 is: 6,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.79 : 20,035.02 = 4,589.55 : x
  2. Step 2: Convert to fraction form
    13,355.79/20,035.02 = 4,589.55/x
  3. Step 3: Cross multiply
    13,355.79x = 20,035.02 × 4,589.55
  4. Step 4: Simplify right side
    13,355.79x = 91,951,726.04
  5. Step 5: Solve for x
    x = 91,951,726.04/13,355.79
  6. Step 6: Final answer
    x = 6,884.78

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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.