Home / 14,282.22-19,709.43-7,909.32

Finding the Fourth Proportional to 14,282.22, 19,709.43 and 7,909.32

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Solution

The fourth proportional to 14,282.22, 19,709.43 and 7,909.32 is: 10,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.22 : 19,709.43 = 7,909.32 : x
  2. Step 2: Convert to fraction form
    14,282.22/19,709.43 = 7,909.32/x
  3. Step 3: Cross multiply
    14,282.22x = 19,709.43 × 7,909.32
  4. Step 4: Simplify right side
    14,282.22x = 155,888,233.14
  5. Step 5: Solve for x
    x = 155,888,233.14/14,282.22
  6. Step 6: Final answer
    x = 10,914.84

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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.