Home / 13,084.92-19,620.84-5,587.32

Finding the Fourth Proportional to 13,084.92, 19,620.84 and 5,587.32

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Solution

The fourth proportional to 13,084.92, 19,620.84 and 5,587.32 is: 8,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.92 : 19,620.84 = 5,587.32 : x
  2. Step 2: Convert to fraction form
    13,084.92/19,620.84 = 5,587.32/x
  3. Step 3: Cross multiply
    13,084.92x = 19,620.84 × 5,587.32
  4. Step 4: Simplify right side
    13,084.92x = 109,627,911.75
  5. Step 5: Solve for x
    x = 109,627,911.75/13,084.92
  6. Step 6: Final answer
    x = 8,378.19

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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.