Home / 19,758.36-27,257.40-11,370

Finding the Fourth Proportional to 19,758.36, 27,257.40 and 11,370

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Solution

The fourth proportional to 19,758.36, 27,257.40 and 11,370 is: 15,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.36 : 27,257.40 = 11,370 : x
  2. Step 2: Convert to fraction form
    19,758.36/27,257.40 = 11,370/x
  3. Step 3: Cross multiply
    19,758.36x = 27,257.40 × 11,370
  4. Step 4: Simplify right side
    19,758.36x = 309,916,638
  5. Step 5: Solve for x
    x = 309,916,638/19,758.36
  6. Step 6: Final answer
    x = 15,685.34

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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.