Home / 12,199.23-18,297.21-3,434.91

Finding the Fourth Proportional to 12,199.23, 18,297.21 and 3,434.91

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Solution

The fourth proportional to 12,199.23, 18,297.21 and 3,434.91 is: 5,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.23 : 18,297.21 = 3,434.91 : x
  2. Step 2: Convert to fraction form
    12,199.23/18,297.21 = 3,434.91/x
  3. Step 3: Cross multiply
    12,199.23x = 18,297.21 × 3,434.91
  4. Step 4: Simplify right side
    12,199.23x = 62,849,269.60
  5. Step 5: Solve for x
    x = 62,849,269.60/12,199.23
  6. Step 6: Final answer
    x = 5,151.90

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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.