Home / 14,128.44-19,496.34-8,822.94

Finding the Fourth Proportional to 14,128.44, 19,496.34 and 8,822.94

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Solution

The fourth proportional to 14,128.44, 19,496.34 and 8,822.94 is: 12,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.44 : 19,496.34 = 8,822.94 : x
  2. Step 2: Convert to fraction form
    14,128.44/19,496.34 = 8,822.94/x
  3. Step 3: Cross multiply
    14,128.44x = 19,496.34 × 8,822.94
  4. Step 4: Simplify right side
    14,128.44x = 172,015,038.04
  5. Step 5: Solve for x
    x = 172,015,038.04/14,128.44
  6. Step 6: Final answer
    x = 12,175.09

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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.