Home / 13,329.87-19,992.76-4,445.36

Finding the Fourth Proportional to 13,329.87, 19,992.76 and 4,445.36

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Solution

The fourth proportional to 13,329.87, 19,992.76 and 4,445.36 is: 6,667.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.87 : 19,992.76 = 4,445.36 : x
  2. Step 2: Convert to fraction form
    13,329.87/19,992.76 = 4,445.36/x
  3. Step 3: Cross multiply
    13,329.87x = 19,992.76 × 4,445.36
  4. Step 4: Simplify right side
    13,329.87x = 88,874,893.40
  5. Step 5: Solve for x
    x = 88,874,893.40/13,329.87
  6. Step 6: Final answer
    x = 6,667.35

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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.