Home / 14,402.88-21,682.13-12,954.56

Finding the Fourth Proportional to 14,402.88, 21,682.13 and 12,954.56

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Solution

The fourth proportional to 14,402.88, 21,682.13 and 12,954.56 is: 19,501.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.88 : 21,682.13 = 12,954.56 : x
  2. Step 2: Convert to fraction form
    14,402.88/21,682.13 = 12,954.56/x
  3. Step 3: Cross multiply
    14,402.88x = 21,682.13 × 12,954.56
  4. Step 4: Simplify right side
    14,402.88x = 280,882,410.72
  5. Step 5: Solve for x
    x = 280,882,410.72/14,402.88
  6. Step 6: Final answer
    x = 19,501.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.