Home / 14,189.94-21,277.62-6,394.50

Finding the Fourth Proportional to 14,189.94, 21,277.62 and 6,394.50

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Solution

The fourth proportional to 14,189.94, 21,277.62 and 6,394.50 is: 9,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.94 : 21,277.62 = 6,394.50 : x
  2. Step 2: Convert to fraction form
    14,189.94/21,277.62 = 6,394.50/x
  3. Step 3: Cross multiply
    14,189.94x = 21,277.62 × 6,394.50
  4. Step 4: Simplify right side
    14,189.94x = 136,059,741.09
  5. Step 5: Solve for x
    x = 136,059,741.09/14,189.94
  6. Step 6: Final answer
    x = 9,588.46

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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.