Home / 11,227.02-16,838.10-4,206.78

Finding the Fourth Proportional to 11,227.02, 16,838.10 and 4,206.78

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Solution

The fourth proportional to 11,227.02, 16,838.10 and 4,206.78 is: 6,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.02 : 16,838.10 = 4,206.78 : x
  2. Step 2: Convert to fraction form
    11,227.02/16,838.10 = 4,206.78/x
  3. Step 3: Cross multiply
    11,227.02x = 16,838.10 × 4,206.78
  4. Step 4: Simplify right side
    11,227.02x = 70,834,182.32
  5. Step 5: Solve for x
    x = 70,834,182.32/11,227.02
  6. Step 6: Final answer
    x = 6,309.26

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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.