Home / 11,134.06-15,375.41-7,162.07

Finding the Fourth Proportional to 11,134.06, 15,375.41 and 7,162.07

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Solution

The fourth proportional to 11,134.06, 15,375.41 and 7,162.07 is: 9,890.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.06 : 15,375.41 = 7,162.07 : x
  2. Step 2: Convert to fraction form
    11,134.06/15,375.41 = 7,162.07/x
  3. Step 3: Cross multiply
    11,134.06x = 15,375.41 × 7,162.07
  4. Step 4: Simplify right side
    11,134.06x = 110,119,762.70
  5. Step 5: Solve for x
    x = 110,119,762.70/11,134.06
  6. Step 6: Final answer
    x = 9,890.35

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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.