Home / 14,231.42-19,621.10-11,669.74

Finding the Fourth Proportional to 14,231.42, 19,621.10 and 11,669.74

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Solution

The fourth proportional to 14,231.42, 19,621.10 and 11,669.74 is: 16,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.42 : 19,621.10 = 11,669.74 : x
  2. Step 2: Convert to fraction form
    14,231.42/19,621.10 = 11,669.74/x
  3. Step 3: Cross multiply
    14,231.42x = 19,621.10 × 11,669.74
  4. Step 4: Simplify right side
    14,231.42x = 228,973,028.11
  5. Step 5: Solve for x
    x = 228,973,028.11/14,231.42
  6. Step 6: Final answer
    x = 16,089.27

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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.