Home / 8,919.51-12,297.25-7,673.94

Finding the Fourth Proportional to 8,919.51, 12,297.25 and 7,673.94

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Solution

The fourth proportional to 8,919.51, 12,297.25 and 7,673.94 is: 10,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.51 : 12,297.25 = 7,673.94 : x
  2. Step 2: Convert to fraction form
    8,919.51/12,297.25 = 7,673.94/x
  3. Step 3: Cross multiply
    8,919.51x = 12,297.25 × 7,673.94
  4. Step 4: Simplify right side
    8,919.51x = 94,368,358.67
  5. Step 5: Solve for x
    x = 94,368,358.67/8,919.51
  6. Step 6: Final answer
    x = 10,579.99

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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.