Home / 14,215.96-19,612.74-8,244.28

Finding the Fourth Proportional to 14,215.96, 19,612.74 and 8,244.28

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Solution

The fourth proportional to 14,215.96, 19,612.74 and 8,244.28 is: 11,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.96 : 19,612.74 = 8,244.28 : x
  2. Step 2: Convert to fraction form
    14,215.96/19,612.74 = 8,244.28/x
  3. Step 3: Cross multiply
    14,215.96x = 19,612.74 × 8,244.28
  4. Step 4: Simplify right side
    14,215.96x = 161,692,920.13
  5. Step 5: Solve for x
    x = 161,692,920.13/14,215.96
  6. Step 6: Final answer
    x = 11,374.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.