Home / 13,873.49-20,813.12-4,639.25

Finding the Fourth Proportional to 13,873.49, 20,813.12 and 4,639.25

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Solution

The fourth proportional to 13,873.49, 20,813.12 and 4,639.25 is: 6,959.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.49 : 20,813.12 = 4,639.25 : x
  2. Step 2: Convert to fraction form
    13,873.49/20,813.12 = 4,639.25/x
  3. Step 3: Cross multiply
    13,873.49x = 20,813.12 × 4,639.25
  4. Step 4: Simplify right side
    13,873.49x = 96,557,266.96
  5. Step 5: Solve for x
    x = 96,557,266.96/13,873.49
  6. Step 6: Final answer
    x = 6,959.84

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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.