Home / 21,663.39-29,895.48-12,232.56

Finding the Fourth Proportional to 21,663.39, 29,895.48 and 12,232.56

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Solution

The fourth proportional to 21,663.39, 29,895.48 and 12,232.56 is: 16,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,663.39 : 29,895.48 = 12,232.56 : x
  2. Step 2: Convert to fraction form
    21,663.39/29,895.48 = 12,232.56/x
  3. Step 3: Cross multiply
    21,663.39x = 29,895.48 × 12,232.56
  4. Step 4: Simplify right side
    21,663.39x = 365,698,252.83
  5. Step 5: Solve for x
    x = 365,698,252.83/21,663.39
  6. Step 6: Final answer
    x = 16,880.93

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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.