Home / 12,089.42-18,123.19-4,296.41

Finding the Fourth Proportional to 12,089.42, 18,123.19 and 4,296.41

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Solution

The fourth proportional to 12,089.42, 18,123.19 and 4,296.41 is: 6,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.42 : 18,123.19 = 4,296.41 : x
  2. Step 2: Convert to fraction form
    12,089.42/18,123.19 = 4,296.41/x
  3. Step 3: Cross multiply
    12,089.42x = 18,123.19 × 4,296.41
  4. Step 4: Simplify right side
    12,089.42x = 77,864,542.65
  5. Step 5: Solve for x
    x = 77,864,542.65/12,089.42
  6. Step 6: Final answer
    x = 6,440.72

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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.