Home / 16,433.36-24,643.74-12,930.26

Finding the Fourth Proportional to 16,433.36, 24,643.74 and 12,930.26

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Solution

The fourth proportional to 16,433.36, 24,643.74 and 12,930.26 is: 19,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,433.36 : 24,643.74 = 12,930.26 : x
  2. Step 2: Convert to fraction form
    16,433.36/24,643.74 = 12,930.26/x
  3. Step 3: Cross multiply
    16,433.36x = 24,643.74 × 12,930.26
  4. Step 4: Simplify right side
    16,433.36x = 318,649,965.57
  5. Step 5: Solve for x
    x = 318,649,965.57/16,433.36
  6. Step 6: Final answer
    x = 19,390.43

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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.