Home / 19,114.86-28,664.96-7,425.35

Finding the Fourth Proportional to 19,114.86, 28,664.96 and 7,425.35

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Solution

The fourth proportional to 19,114.86, 28,664.96 and 7,425.35 is: 11,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.86 : 28,664.96 = 7,425.35 : x
  2. Step 2: Convert to fraction form
    19,114.86/28,664.96 = 7,425.35/x
  3. Step 3: Cross multiply
    19,114.86x = 28,664.96 × 7,425.35
  4. Step 4: Simplify right side
    19,114.86x = 212,847,180.28
  5. Step 5: Solve for x
    x = 212,847,180.28/19,114.86
  6. Step 6: Final answer
    x = 11,135.17

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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.