Home / 15,110.96-20,852.64-8,396.46

Finding the Fourth Proportional to 15,110.96, 20,852.64 and 8,396.46

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Solution

The fourth proportional to 15,110.96, 20,852.64 and 8,396.46 is: 11,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.96 : 20,852.64 = 8,396.46 : x
  2. Step 2: Convert to fraction form
    15,110.96/20,852.64 = 8,396.46/x
  3. Step 3: Cross multiply
    15,110.96x = 20,852.64 × 8,396.46
  4. Step 4: Simplify right side
    15,110.96x = 175,088,357.65
  5. Step 5: Solve for x
    x = 175,088,357.65/15,110.96
  6. Step 6: Final answer
    x = 11,586.85

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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.