Home / 21,654.62-29,883.08-12,094.68

Finding the Fourth Proportional to 21,654.62, 29,883.08 and 12,094.68

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Solution

The fourth proportional to 21,654.62, 29,883.08 and 12,094.68 is: 16,690.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,654.62 : 29,883.08 = 12,094.68 : x
  2. Step 2: Convert to fraction form
    21,654.62/29,883.08 = 12,094.68/x
  3. Step 3: Cross multiply
    21,654.62x = 29,883.08 × 12,094.68
  4. Step 4: Simplify right side
    21,654.62x = 361,426,238.21
  5. Step 5: Solve for x
    x = 361,426,238.21/21,654.62
  6. Step 6: Final answer
    x = 16,690.49

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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.