Home / 11,518.06-15,890.21-7,267.67

Finding the Fourth Proportional to 11,518.06, 15,890.21 and 7,267.67

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Solution

The fourth proportional to 11,518.06, 15,890.21 and 7,267.67 is: 10,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.06 : 15,890.21 = 7,267.67 : x
  2. Step 2: Convert to fraction form
    11,518.06/15,890.21 = 7,267.67/x
  3. Step 3: Cross multiply
    11,518.06x = 15,890.21 × 7,267.67
  4. Step 4: Simplify right side
    11,518.06x = 115,484,820.68
  5. Step 5: Solve for x
    x = 115,484,820.68/11,518.06
  6. Step 6: Final answer
    x = 10,026.42

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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.