Home / 13,489.89-20,236.68-4,602.83

Finding the Fourth Proportional to 13,489.89, 20,236.68 and 4,602.83

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Solution

The fourth proportional to 13,489.89, 20,236.68 and 4,602.83 is: 6,904.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489.89 : 20,236.68 = 4,602.83 : x
  2. Step 2: Convert to fraction form
    13,489.89/20,236.68 = 4,602.83/x
  3. Step 3: Cross multiply
    13,489.89x = 20,236.68 × 4,602.83
  4. Step 4: Simplify right side
    13,489.89x = 93,146,048.40
  5. Step 5: Solve for x
    x = 93,146,048.40/13,489.89
  6. Step 6: Final answer
    x = 6,904.88

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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.