Home / 9,196.32-12,690.60-5,217.36

Finding the Fourth Proportional to 9,196.32, 12,690.60 and 5,217.36

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Solution

The fourth proportional to 9,196.32, 12,690.60 and 5,217.36 is: 7,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,196.32 : 12,690.60 = 5,217.36 : x
  2. Step 2: Convert to fraction form
    9,196.32/12,690.60 = 5,217.36/x
  3. Step 3: Cross multiply
    9,196.32x = 12,690.60 × 5,217.36
  4. Step 4: Simplify right side
    9,196.32x = 66,211,428.82
  5. Step 5: Solve for x
    x = 66,211,428.82/9,196.32
  6. Step 6: Final answer
    x = 7,199.77

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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.