Home / 14,214.93-21,313.89-6,720.42

Finding the Fourth Proportional to 14,214.93, 21,313.89 and 6,720.42

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Solution

The fourth proportional to 14,214.93, 21,313.89 and 6,720.42 is: 10,076.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.93 : 21,313.89 = 6,720.42 : x
  2. Step 2: Convert to fraction form
    14,214.93/21,313.89 = 6,720.42/x
  3. Step 3: Cross multiply
    14,214.93x = 21,313.89 × 6,720.42
  4. Step 4: Simplify right side
    14,214.93x = 143,238,292.63
  5. Step 5: Solve for x
    x = 143,238,292.63/14,214.93
  6. Step 6: Final answer
    x = 10,076.61

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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.