Home / 14,456.76-21,670.36-8,203.56

Finding the Fourth Proportional to 14,456.76, 21,670.36 and 8,203.56

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Solution

The fourth proportional to 14,456.76, 21,670.36 and 8,203.56 is: 12,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.76 : 21,670.36 = 8,203.56 : x
  2. Step 2: Convert to fraction form
    14,456.76/21,670.36 = 8,203.56/x
  3. Step 3: Cross multiply
    14,456.76x = 21,670.36 × 8,203.56
  4. Step 4: Simplify right side
    14,456.76x = 177,774,098.48
  5. Step 5: Solve for x
    x = 177,774,098.48/14,456.76
  6. Step 6: Final answer
    x = 12,296.95

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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.