Home / 11,108.99-15,314.59-7,567.67

Finding the Fourth Proportional to 11,108.99, 15,314.59 and 7,567.67

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Solution

The fourth proportional to 11,108.99, 15,314.59 and 7,567.67 is: 10,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.99 : 15,314.59 = 7,567.67 : x
  2. Step 2: Convert to fraction form
    11,108.99/15,314.59 = 7,567.67/x
  3. Step 3: Cross multiply
    11,108.99x = 15,314.59 × 7,567.67
  4. Step 4: Simplify right side
    11,108.99x = 115,895,763.31
  5. Step 5: Solve for x
    x = 115,895,763.31/11,108.99
  6. Step 6: Final answer
    x = 10,432.61

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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.