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Finding the Fourth Proportional to 14,014.41, 21,021 and 3,484.21

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Solution

The fourth proportional to 14,014.41, 21,021 and 3,484.21 is: 5,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.41 : 21,021 = 3,484.21 : x
  2. Step 2: Convert to fraction form
    14,014.41/21,021 = 3,484.21/x
  3. Step 3: Cross multiply
    14,014.41x = 21,021 × 3,484.21
  4. Step 4: Simplify right side
    14,014.41x = 73,241,473.31
  5. Step 5: Solve for x
    x = 73,241,473.31/14,014.41
  6. Step 6: Final answer
    x = 5,226.16

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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.