Home / 19,758.72-27,266.24-11,376.64

Finding the Fourth Proportional to 19,758.72, 27,266.24 and 11,376.64

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Solution

The fourth proportional to 19,758.72, 27,266.24 and 11,376.64 is: 15,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.72 : 27,266.24 = 11,376.64 : x
  2. Step 2: Convert to fraction form
    19,758.72/27,266.24 = 11,376.64/x
  3. Step 3: Cross multiply
    19,758.72x = 27,266.24 × 11,376.64
  4. Step 4: Simplify right side
    19,758.72x = 310,198,196.63
  5. Step 5: Solve for x
    x = 310,198,196.63/19,758.72
  6. Step 6: Final answer
    x = 15,699.31

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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.