Home / 14,120.50-19,486.38-7,832.89

Finding the Fourth Proportional to 14,120.50, 19,486.38 and 7,832.89

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Solution

The fourth proportional to 14,120.50, 19,486.38 and 7,832.89 is: 10,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.50 : 19,486.38 = 7,832.89 : x
  2. Step 2: Convert to fraction form
    14,120.50/19,486.38 = 7,832.89/x
  3. Step 3: Cross multiply
    14,120.50x = 19,486.38 × 7,832.89
  4. Step 4: Simplify right side
    14,120.50x = 152,634,671.04
  5. Step 5: Solve for x
    x = 152,634,671.04/14,120.50
  6. Step 6: Final answer
    x = 10,809.44

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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.