Home / 8,123.23-12,166.35-6,357.22

Finding the Fourth Proportional to 8,123.23, 12,166.35 and 6,357.22

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Solution

The fourth proportional to 8,123.23, 12,166.35 and 6,357.22 is: 9,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.23 : 12,166.35 = 6,357.22 : x
  2. Step 2: Convert to fraction form
    8,123.23/12,166.35 = 6,357.22/x
  3. Step 3: Cross multiply
    8,123.23x = 12,166.35 × 6,357.22
  4. Step 4: Simplify right side
    8,123.23x = 77,344,163.55
  5. Step 5: Solve for x
    x = 77,344,163.55/8,123.23
  6. Step 6: Final answer
    x = 9,521.36

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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.