Home / 8,919.56-13,363.50-7,607.72

Finding the Fourth Proportional to 8,919.56, 13,363.50 and 7,607.72

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Solution

The fourth proportional to 8,919.56, 13,363.50 and 7,607.72 is: 11,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.56 : 13,363.50 = 7,607.72 : x
  2. Step 2: Convert to fraction form
    8,919.56/13,363.50 = 7,607.72/x
  3. Step 3: Cross multiply
    8,919.56x = 13,363.50 × 7,607.72
  4. Step 4: Simplify right side
    8,919.56x = 101,665,766.22
  5. Step 5: Solve for x
    x = 101,665,766.22/8,919.56
  6. Step 6: Final answer
    x = 11,398.07

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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.