Home / 19,142.26-26,408.94-14,118.39

Finding the Fourth Proportional to 19,142.26, 26,408.94 and 14,118.39

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Solution

The fourth proportional to 19,142.26, 26,408.94 and 14,118.39 is: 19,477.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.26 : 26,408.94 = 14,118.39 : x
  2. Step 2: Convert to fraction form
    19,142.26/26,408.94 = 14,118.39/x
  3. Step 3: Cross multiply
    19,142.26x = 26,408.94 × 14,118.39
  4. Step 4: Simplify right side
    19,142.26x = 372,851,714.41
  5. Step 5: Solve for x
    x = 372,851,714.41/19,142.26
  6. Step 6: Final answer
    x = 19,477.94

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Half scale
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Double scale
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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.