Home / 14,505.35-21,714.93-7,911.54

Finding the Fourth Proportional to 14,505.35, 21,714.93 and 7,911.54

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Solution

The fourth proportional to 14,505.35, 21,714.93 and 7,911.54 is: 11,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.35 : 21,714.93 = 7,911.54 : x
  2. Step 2: Convert to fraction form
    14,505.35/21,714.93 = 7,911.54/x
  3. Step 3: Cross multiply
    14,505.35x = 21,714.93 × 7,911.54
  4. Step 4: Simplify right side
    14,505.35x = 171,798,537.29
  5. Step 5: Solve for x
    x = 171,798,537.29/14,505.35
  6. Step 6: Final answer
    x = 11,843.81

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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.