Home / 13,785.53-20,677.06-4,423.01

Finding the Fourth Proportional to 13,785.53, 20,677.06 and 4,423.01

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Solution

The fourth proportional to 13,785.53, 20,677.06 and 4,423.01 is: 6,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785.53 : 20,677.06 = 4,423.01 : x
  2. Step 2: Convert to fraction form
    13,785.53/20,677.06 = 4,423.01/x
  3. Step 3: Cross multiply
    13,785.53x = 20,677.06 × 4,423.01
  4. Step 4: Simplify right side
    13,785.53x = 91,454,843.15
  5. Step 5: Solve for x
    x = 91,454,843.15/13,785.53
  6. Step 6: Final answer
    x = 6,634.12

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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.