Home / 14,026.42-21,032.31-12,427.61

Finding the Fourth Proportional to 14,026.42, 21,032.31 and 12,427.61

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Solution

The fourth proportional to 14,026.42, 21,032.31 and 12,427.61 is: 18,634.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.42 : 21,032.31 = 12,427.61 : x
  2. Step 2: Convert to fraction form
    14,026.42/21,032.31 = 12,427.61/x
  3. Step 3: Cross multiply
    14,026.42x = 21,032.31 × 12,427.61
  4. Step 4: Simplify right side
    14,026.42x = 261,381,370.20
  5. Step 5: Solve for x
    x = 261,381,370.20/14,026.42
  6. Step 6: Final answer
    x = 18,634.94

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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.