Home / 19,577.85-27,018.75-11,079.96

Finding the Fourth Proportional to 19,577.85, 27,018.75 and 11,079.96

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Solution

The fourth proportional to 19,577.85, 27,018.75 and 11,079.96 is: 15,291.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.85 : 27,018.75 = 11,079.96 : x
  2. Step 2: Convert to fraction form
    19,577.85/27,018.75 = 11,079.96/x
  3. Step 3: Cross multiply
    19,577.85x = 27,018.75 × 11,079.96
  4. Step 4: Simplify right side
    19,577.85x = 299,366,669.25
  5. Step 5: Solve for x
    x = 299,366,669.25/19,577.85
  6. Step 6: Final answer
    x = 15,291.09

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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.