Home / 13,063.60-19,560.84-6,894.64

Finding the Fourth Proportional to 13,063.60, 19,560.84 and 6,894.64

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Solution

The fourth proportional to 13,063.60, 19,560.84 and 6,894.64 is: 10,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.60 : 19,560.84 = 6,894.64 : x
  2. Step 2: Convert to fraction form
    13,063.60/19,560.84 = 6,894.64/x
  3. Step 3: Cross multiply
    13,063.60x = 19,560.84 × 6,894.64
  4. Step 4: Simplify right side
    13,063.60x = 134,864,949.90
  5. Step 5: Solve for x
    x = 134,864,949.90/13,063.60
  6. Step 6: Final answer
    x = 10,323.72

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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.