Home / 21,637.52-29,861.16-12,202.64

Finding the Fourth Proportional to 21,637.52, 29,861.16 and 12,202.64

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Solution

The fourth proportional to 21,637.52, 29,861.16 and 12,202.64 is: 16,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,637.52 : 29,861.16 = 12,202.64 : x
  2. Step 2: Convert to fraction form
    21,637.52/29,861.16 = 12,202.64/x
  3. Step 3: Cross multiply
    21,637.52x = 29,861.16 × 12,202.64
  4. Step 4: Simplify right side
    21,637.52x = 364,384,985.46
  5. Step 5: Solve for x
    x = 364,384,985.46/21,637.52
  6. Step 6: Final answer
    x = 16,840.42

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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.