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Finding the Fourth Proportional to 8,993.99, 12,411.26 and 5,014.33

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Solution

The fourth proportional to 8,993.99, 12,411.26 and 5,014.33 is: 6,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.99 : 12,411.26 = 5,014.33 : x
  2. Step 2: Convert to fraction form
    8,993.99/12,411.26 = 5,014.33/x
  3. Step 3: Cross multiply
    8,993.99x = 12,411.26 × 5,014.33
  4. Step 4: Simplify right side
    8,993.99x = 62,234,066.23
  5. Step 5: Solve for x
    x = 62,234,066.23/8,993.99
  6. Step 6: Final answer
    x = 6,919.52

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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.