Home / 18,217.02-27,320.58-7,826.34

Finding the Fourth Proportional to 18,217.02, 27,320.58 and 7,826.34

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Solution

The fourth proportional to 18,217.02, 27,320.58 and 7,826.34 is: 11,737.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.02 : 27,320.58 = 7,826.34 : x
  2. Step 2: Convert to fraction form
    18,217.02/27,320.58 = 7,826.34/x
  3. Step 3: Cross multiply
    18,217.02x = 27,320.58 × 7,826.34
  4. Step 4: Simplify right side
    18,217.02x = 213,820,148.08
  5. Step 5: Solve for x
    x = 213,820,148.08/18,217.02
  6. Step 6: Final answer
    x = 11,737.38

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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.