Home / 12,560.99-17,330.62-8,087.33

Finding the Fourth Proportional to 12,560.99, 17,330.62 and 8,087.33

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Solution

The fourth proportional to 12,560.99, 17,330.62 and 8,087.33 is: 11,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.99 : 17,330.62 = 8,087.33 : x
  2. Step 2: Convert to fraction form
    12,560.99/17,330.62 = 8,087.33/x
  3. Step 3: Cross multiply
    12,560.99x = 17,330.62 × 8,087.33
  4. Step 4: Simplify right side
    12,560.99x = 140,158,422.83
  5. Step 5: Solve for x
    x = 140,158,422.83/12,560.99
  6. Step 6: Final answer
    x = 11,158.23

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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.