Home / 14,256.99-19,671.28-8,285.27

Finding the Fourth Proportional to 14,256.99, 19,671.28 and 8,285.27

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Solution

The fourth proportional to 14,256.99, 19,671.28 and 8,285.27 is: 11,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.99 : 19,671.28 = 8,285.27 : x
  2. Step 2: Convert to fraction form
    14,256.99/19,671.28 = 8,285.27/x
  3. Step 3: Cross multiply
    14,256.99x = 19,671.28 × 8,285.27
  4. Step 4: Simplify right side
    14,256.99x = 162,981,746.98
  5. Step 5: Solve for x
    x = 162,981,746.98/14,256.99
  6. Step 6: Final answer
    x = 11,431.71

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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.