Home / 10,997.03-15,178.38-9,225.56

Finding the Fourth Proportional to 10,997.03, 15,178.38 and 9,225.56

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Solution

The fourth proportional to 10,997.03, 15,178.38 and 9,225.56 is: 12,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.03 : 15,178.38 = 9,225.56 : x
  2. Step 2: Convert to fraction form
    10,997.03/15,178.38 = 9,225.56/x
  3. Step 3: Cross multiply
    10,997.03x = 15,178.38 × 9,225.56
  4. Step 4: Simplify right side
    10,997.03x = 140,029,055.39
  5. Step 5: Solve for x
    x = 140,029,055.39/10,997.03
  6. Step 6: Final answer
    x = 12,733.35

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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.