Home / 14,214.96-19,611.36-8,243.28

Finding the Fourth Proportional to 14,214.96, 19,611.36 and 8,243.28

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Solution

The fourth proportional to 14,214.96, 19,611.36 and 8,243.28 is: 11,372.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.96 : 19,611.36 = 8,243.28 : x
  2. Step 2: Convert to fraction form
    14,214.96/19,611.36 = 8,243.28/x
  3. Step 3: Cross multiply
    14,214.96x = 19,611.36 × 8,243.28
  4. Step 4: Simplify right side
    14,214.96x = 161,661,931.66
  5. Step 5: Solve for x
    x = 161,661,931.66/14,214.96
  6. Step 6: Final answer
    x = 11,372.66

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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.