Home / 19,577.39-29,381.66-7,100.99

Finding the Fourth Proportional to 19,577.39, 29,381.66 and 7,100.99

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Solution

The fourth proportional to 19,577.39, 29,381.66 and 7,100.99 is: 10,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.39 : 29,381.66 = 7,100.99 : x
  2. Step 2: Convert to fraction form
    19,577.39/29,381.66 = 7,100.99/x
  3. Step 3: Cross multiply
    19,577.39x = 29,381.66 × 7,100.99
  4. Step 4: Simplify right side
    19,577.39x = 208,638,691.43
  5. Step 5: Solve for x
    x = 208,638,691.43/19,577.39
  6. Step 6: Final answer
    x = 10,657.13

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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.