Home / 11,225.99-16,838.37-3,434.80

Finding the Fourth Proportional to 11,225.99, 16,838.37 and 3,434.80

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Solution

The fourth proportional to 11,225.99, 16,838.37 and 3,434.80 is: 5,152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.99 : 16,838.37 = 3,434.80 : x
  2. Step 2: Convert to fraction form
    11,225.99/16,838.37 = 3,434.80/x
  3. Step 3: Cross multiply
    11,225.99x = 16,838.37 × 3,434.80
  4. Step 4: Simplify right side
    11,225.99x = 57,836,433.28
  5. Step 5: Solve for x
    x = 57,836,433.28/11,225.99
  6. Step 6: Final answer
    x = 5,152.01

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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.