Home / 14,953.12-20,635.21-8,238.56

Finding the Fourth Proportional to 14,953.12, 20,635.21 and 8,238.56

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Solution

The fourth proportional to 14,953.12, 20,635.21 and 8,238.56 is: 11,369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.12 : 20,635.21 = 8,238.56 : x
  2. Step 2: Convert to fraction form
    14,953.12/20,635.21 = 8,238.56/x
  3. Step 3: Cross multiply
    14,953.12x = 20,635.21 × 8,238.56
  4. Step 4: Simplify right side
    14,953.12x = 170,004,415.70
  5. Step 5: Solve for x
    x = 170,004,415.70/14,953.12
  6. Step 6: Final answer
    x = 11,369.16

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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.