Home / 8,196.68-12,295.08-5,085.74

Finding the Fourth Proportional to 8,196.68, 12,295.08 and 5,085.74

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Solution

The fourth proportional to 8,196.68, 12,295.08 and 5,085.74 is: 7,628.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196.68 : 12,295.08 = 5,085.74 : x
  2. Step 2: Convert to fraction form
    8,196.68/12,295.08 = 5,085.74/x
  3. Step 3: Cross multiply
    8,196.68x = 12,295.08 × 5,085.74
  4. Step 4: Simplify right side
    8,196.68x = 62,529,518.68
  5. Step 5: Solve for x
    x = 62,529,518.68/8,196.68
  6. Step 6: Final answer
    x = 7,628.64

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Double scale
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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.