Home / 14,315.20-19,756.24-8,027.52

Finding the Fourth Proportional to 14,315.20, 19,756.24 and 8,027.52

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Solution

The fourth proportional to 14,315.20, 19,756.24 and 8,027.52 is: 11,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.20 : 19,756.24 = 8,027.52 : x
  2. Step 2: Convert to fraction form
    14,315.20/19,756.24 = 8,027.52/x
  3. Step 3: Cross multiply
    14,315.20x = 19,756.24 × 8,027.52
  4. Step 4: Simplify right side
    14,315.20x = 158,593,611.72
  5. Step 5: Solve for x
    x = 158,593,611.72/14,315.20
  6. Step 6: Final answer
    x = 11,078.69

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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.