Home / 21,902.04-32,857.86-7,112.44

Finding the Fourth Proportional to 21,902.04, 32,857.86 and 7,112.44

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Solution

The fourth proportional to 21,902.04, 32,857.86 and 7,112.44 is: 10,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,902.04 : 32,857.86 = 7,112.44 : x
  2. Step 2: Convert to fraction form
    21,902.04/32,857.86 = 7,112.44/x
  3. Step 3: Cross multiply
    21,902.04x = 32,857.86 × 7,112.44
  4. Step 4: Simplify right side
    21,902.04x = 233,699,557.78
  5. Step 5: Solve for x
    x = 233,699,557.78/21,902.04
  6. Step 6: Final answer
    x = 10,670.22

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1.5x scale

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.