Home / 10,926.72-15,077.61-6,145.68

Finding the Fourth Proportional to 10,926.72, 15,077.61 and 6,145.68

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Solution

The fourth proportional to 10,926.72, 15,077.61 and 6,145.68 is: 8,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.72 : 15,077.61 = 6,145.68 : x
  2. Step 2: Convert to fraction form
    10,926.72/15,077.61 = 6,145.68/x
  3. Step 3: Cross multiply
    10,926.72x = 15,077.61 × 6,145.68
  4. Step 4: Simplify right side
    10,926.72x = 92,662,166.22
  5. Step 5: Solve for x
    x = 92,662,166.22/10,926.72
  6. Step 6: Final answer
    x = 8,480.33

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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.