Home / 8,869.63-12,227.37-6,977.93

Finding the Fourth Proportional to 8,869.63, 12,227.37 and 6,977.93

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Solution

The fourth proportional to 8,869.63, 12,227.37 and 6,977.93 is: 9,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.63 : 12,227.37 = 6,977.93 : x
  2. Step 2: Convert to fraction form
    8,869.63/12,227.37 = 6,977.93/x
  3. Step 3: Cross multiply
    8,869.63x = 12,227.37 × 6,977.93
  4. Step 4: Simplify right side
    8,869.63x = 85,321,731.94
  5. Step 5: Solve for x
    x = 85,321,731.94/8,869.63
  6. Step 6: Final answer
    x = 9,619.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.