Home / 11,225.50-16,838.93-3,434.38

Finding the Fourth Proportional to 11,225.50, 16,838.93 and 3,434.38

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Solution

The fourth proportional to 11,225.50, 16,838.93 and 3,434.38 is: 5,151.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.50 : 16,838.93 = 3,434.38 : x
  2. Step 2: Convert to fraction form
    11,225.50/16,838.93 = 3,434.38/x
  3. Step 3: Cross multiply
    11,225.50x = 16,838.93 × 3,434.38
  4. Step 4: Simplify right side
    11,225.50x = 57,831,284.41
  5. Step 5: Solve for x
    x = 57,831,284.41/11,225.50
  6. Step 6: Final answer
    x = 5,151.78

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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.