Home / 13,785.46-20,685.02-5,465.29

Finding the Fourth Proportional to 13,785.46, 20,685.02 and 5,465.29

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Solution

The fourth proportional to 13,785.46, 20,685.02 and 5,465.29 is: 8,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785.46 : 20,685.02 = 5,465.29 : x
  2. Step 2: Convert to fraction form
    13,785.46/20,685.02 = 5,465.29/x
  3. Step 3: Cross multiply
    13,785.46x = 20,685.02 × 5,465.29
  4. Step 4: Simplify right side
    13,785.46x = 113,049,632.96
  5. Step 5: Solve for x
    x = 113,049,632.96/13,785.46
  6. Step 6: Final answer
    x = 8,200.64

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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.