Home / 14,080.05-19,433.93-8,418.15

Finding the Fourth Proportional to 14,080.05, 19,433.93 and 8,418.15

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Solution

The fourth proportional to 14,080.05, 19,433.93 and 8,418.15 is: 11,619.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.05 : 19,433.93 = 8,418.15 : x
  2. Step 2: Convert to fraction form
    14,080.05/19,433.93 = 8,418.15/x
  3. Step 3: Cross multiply
    14,080.05x = 19,433.93 × 8,418.15
  4. Step 4: Simplify right side
    14,080.05x = 163,597,737.83
  5. Step 5: Solve for x
    x = 163,597,737.83/14,080.05
  6. Step 6: Final answer
    x = 11,619.12

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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.