Home / 14,171.74-21,259.92-4,812.34

Finding the Fourth Proportional to 14,171.74, 21,259.92 and 4,812.34

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Solution

The fourth proportional to 14,171.74, 21,259.92 and 4,812.34 is: 7,219.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.74 : 21,259.92 = 4,812.34 : x
  2. Step 2: Convert to fraction form
    14,171.74/21,259.92 = 4,812.34/x
  3. Step 3: Cross multiply
    14,171.74x = 21,259.92 × 4,812.34
  4. Step 4: Simplify right side
    14,171.74x = 102,309,963.41
  5. Step 5: Solve for x
    x = 102,309,963.41/14,171.74
  6. Step 6: Final answer
    x = 7,219.29

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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.