Home / 14,027.92-21,034.56-12,429.11

Finding the Fourth Proportional to 14,027.92, 21,034.56 and 12,429.11

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Solution

The fourth proportional to 14,027.92, 21,034.56 and 12,429.11 is: 18,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.92 : 21,034.56 = 12,429.11 : x
  2. Step 2: Convert to fraction form
    14,027.92/21,034.56 = 12,429.11/x
  3. Step 3: Cross multiply
    14,027.92x = 21,034.56 × 12,429.11
  4. Step 4: Simplify right side
    14,027.92x = 261,440,860.04
  5. Step 5: Solve for x
    x = 261,440,860.04/14,027.92
  6. Step 6: Final answer
    x = 18,637.18

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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.