Home / 14,186.26-21,279.37-14,165.74

Finding the Fourth Proportional to 14,186.26, 21,279.37 and 14,165.74

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Solution

The fourth proportional to 14,186.26, 21,279.37 and 14,165.74 is: 21,248.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.26 : 21,279.37 = 14,165.74 : x
  2. Step 2: Convert to fraction form
    14,186.26/21,279.37 = 14,165.74/x
  3. Step 3: Cross multiply
    14,186.26x = 21,279.37 × 14,165.74
  4. Step 4: Simplify right side
    14,186.26x = 301,438,022.78
  5. Step 5: Solve for x
    x = 301,438,022.78/14,186.26
  6. Step 6: Final answer
    x = 21,248.59

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.