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Finding the Fourth Proportional to 14,304.90, 21,460.44 and 5,871.43

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Solution

The fourth proportional to 14,304.90, 21,460.44 and 5,871.43 is: 8,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.90 : 21,460.44 = 5,871.43 : x
  2. Step 2: Convert to fraction form
    14,304.90/21,460.44 = 5,871.43/x
  3. Step 3: Cross multiply
    14,304.90x = 21,460.44 × 5,871.43
  4. Step 4: Simplify right side
    14,304.90x = 126,003,363.93
  5. Step 5: Solve for x
    x = 126,003,363.93/14,304.90
  6. Step 6: Final answer
    x = 8,808.41

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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.