Home / 14,186.64-21,279.93-14,166.12

Finding the Fourth Proportional to 14,186.64, 21,279.93 and 14,166.12

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Solution

The fourth proportional to 14,186.64, 21,279.93 and 14,166.12 is: 21,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.64 : 21,279.93 = 14,166.12 : x
  2. Step 2: Convert to fraction form
    14,186.64/21,279.93 = 14,166.12/x
  3. Step 3: Cross multiply
    14,186.64x = 21,279.93 × 14,166.12
  4. Step 4: Simplify right side
    14,186.64x = 301,454,041.97
  5. Step 5: Solve for x
    x = 301,454,041.97/14,186.64
  6. Step 6: Final answer
    x = 21,249.15

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Double scale
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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.