Home / 19,713.21-29,577.99-11,830.89

Finding the Fourth Proportional to 19,713.21, 29,577.99 and 11,830.89

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Solution

The fourth proportional to 19,713.21, 29,577.99 and 11,830.89 is: 17,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.21 : 29,577.99 = 11,830.89 : x
  2. Step 2: Convert to fraction form
    19,713.21/29,577.99 = 11,830.89/x
  3. Step 3: Cross multiply
    19,713.21x = 29,577.99 × 11,830.89
  4. Step 4: Simplify right side
    19,713.21x = 349,933,946.11
  5. Step 5: Solve for x
    x = 349,933,946.11/19,713.21
  6. Step 6: Final answer
    x = 17,751.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.