Home / 11,106.99-15,311.84-7,565.67

Finding the Fourth Proportional to 11,106.99, 15,311.84 and 7,565.67

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Solution

The fourth proportional to 11,106.99, 15,311.84 and 7,565.67 is: 10,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.99 : 15,311.84 = 7,565.67 : x
  2. Step 2: Convert to fraction form
    11,106.99/15,311.84 = 7,565.67/x
  3. Step 3: Cross multiply
    11,106.99x = 15,311.84 × 7,565.67
  4. Step 4: Simplify right side
    11,106.99x = 115,844,290.70
  5. Step 5: Solve for x
    x = 115,844,290.70/11,106.99
  6. Step 6: Final answer
    x = 10,429.85

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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.