Home / 14,110.90-19,472.94-8,142.52

Finding the Fourth Proportional to 14,110.90, 19,472.94 and 8,142.52

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Solution

The fourth proportional to 14,110.90, 19,472.94 and 8,142.52 is: 11,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.90 : 19,472.94 = 8,142.52 : x
  2. Step 2: Convert to fraction form
    14,110.90/19,472.94 = 8,142.52/x
  3. Step 3: Cross multiply
    14,110.90x = 19,472.94 × 8,142.52
  4. Step 4: Simplify right side
    14,110.90x = 158,558,803.41
  5. Step 5: Solve for x
    x = 158,558,803.41/14,110.90
  6. Step 6: Final answer
    x = 11,236.62

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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.