Home / 14,654.80-21,943.32-7,714.72

Finding the Fourth Proportional to 14,654.80, 21,943.32 and 7,714.72

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Solution

The fourth proportional to 14,654.80, 21,943.32 and 7,714.72 is: 11,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.80 : 21,943.32 = 7,714.72 : x
  2. Step 2: Convert to fraction form
    14,654.80/21,943.32 = 7,714.72/x
  3. Step 3: Cross multiply
    14,654.80x = 21,943.32 × 7,714.72
  4. Step 4: Simplify right side
    14,654.80x = 169,286,569.67
  5. Step 5: Solve for x
    x = 169,286,569.67/14,654.80
  6. Step 6: Final answer
    x = 11,551.61

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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.