Home / 14,921.25-20,585.37-8,544.39

Finding the Fourth Proportional to 14,921.25, 20,585.37 and 8,544.39

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Solution

The fourth proportional to 14,921.25, 20,585.37 and 8,544.39 is: 11,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921.25 : 20,585.37 = 8,544.39 : x
  2. Step 2: Convert to fraction form
    14,921.25/20,585.37 = 8,544.39/x
  3. Step 3: Cross multiply
    14,921.25x = 20,585.37 × 8,544.39
  4. Step 4: Simplify right side
    14,921.25x = 175,889,429.57
  5. Step 5: Solve for x
    x = 175,889,429.57/14,921.25
  6. Step 6: Final answer
    x = 11,787.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.