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Finding the Fourth Proportional to 14,476.51, 21,714.99 and 5,711.34

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Solution

The fourth proportional to 14,476.51, 21,714.99 and 5,711.34 is: 8,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,476.51 : 21,714.99 = 5,711.34 : x
  2. Step 2: Convert to fraction form
    14,476.51/21,714.99 = 5,711.34/x
  3. Step 3: Cross multiply
    14,476.51x = 21,714.99 × 5,711.34
  4. Step 4: Simplify right side
    14,476.51x = 124,021,751.00
  5. Step 5: Solve for x
    x = 124,021,751.00/14,476.51
  6. Step 6: Final answer
    x = 8,567.11

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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.