Home / 10,997.40-15,176.26-6,281.60

Finding the Fourth Proportional to 10,997.40, 15,176.26 and 6,281.60

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Solution

The fourth proportional to 10,997.40, 15,176.26 and 6,281.60 is: 8,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.40 : 15,176.26 = 6,281.60 : x
  2. Step 2: Convert to fraction form
    10,997.40/15,176.26 = 6,281.60/x
  3. Step 3: Cross multiply
    10,997.40x = 15,176.26 × 6,281.60
  4. Step 4: Simplify right side
    10,997.40x = 95,331,194.82
  5. Step 5: Solve for x
    x = 95,331,194.82/10,997.40
  6. Step 6: Final answer
    x = 8,668.52

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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.