Home / 10,145.94-13,992.80-8,560.37

Finding the Fourth Proportional to 10,145.94, 13,992.80 and 8,560.37

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Solution

The fourth proportional to 10,145.94, 13,992.80 and 8,560.37 is: 11,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.94 : 13,992.80 = 8,560.37 : x
  2. Step 2: Convert to fraction form
    10,145.94/13,992.80 = 8,560.37/x
  3. Step 3: Cross multiply
    10,145.94x = 13,992.80 × 8,560.37
  4. Step 4: Simplify right side
    10,145.94x = 119,783,432.57
  5. Step 5: Solve for x
    x = 119,783,432.57/10,145.94
  6. Step 6: Final answer
    x = 11,806.05

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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.