Home / 11,225.42-16,838.28-5,380.66

Finding the Fourth Proportional to 11,225.42, 16,838.28 and 5,380.66

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Solution

The fourth proportional to 11,225.42, 16,838.28 and 5,380.66 is: 8,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.42 : 16,838.28 = 5,380.66 : x
  2. Step 2: Convert to fraction form
    11,225.42/16,838.28 = 5,380.66/x
  3. Step 3: Cross multiply
    11,225.42x = 16,838.28 × 5,380.66
  4. Step 4: Simplify right side
    11,225.42x = 90,601,017.57
  5. Step 5: Solve for x
    x = 90,601,017.57/11,225.42
  6. Step 6: Final answer
    x = 8,071.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.