Home / 19,455.56-26,832.82-12,369.80

Finding the Fourth Proportional to 19,455.56, 26,832.82 and 12,369.80

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Solution

The fourth proportional to 19,455.56, 26,832.82 and 12,369.80 is: 17,060.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.56 : 26,832.82 = 12,369.80 : x
  2. Step 2: Convert to fraction form
    19,455.56/26,832.82 = 12,369.80/x
  3. Step 3: Cross multiply
    19,455.56x = 26,832.82 × 12,369.80
  4. Step 4: Simplify right side
    19,455.56x = 331,916,616.84
  5. Step 5: Solve for x
    x = 331,916,616.84/19,455.56
  6. Step 6: Final answer
    x = 17,060.24

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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.