Home / 10,990.75-15,167.24-6,274.93

Finding the Fourth Proportional to 10,990.75, 15,167.24 and 6,274.93

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Solution

The fourth proportional to 10,990.75, 15,167.24 and 6,274.93 is: 8,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.75 : 15,167.24 = 6,274.93 : x
  2. Step 2: Convert to fraction form
    10,990.75/15,167.24 = 6,274.93/x
  3. Step 3: Cross multiply
    10,990.75x = 15,167.24 × 6,274.93
  4. Step 4: Simplify right side
    10,990.75x = 95,173,369.29
  5. Step 5: Solve for x
    x = 95,173,369.29/10,990.75
  6. Step 6: Final answer
    x = 8,659.41

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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.