Home / 14,440.89-21,656.93-6,120.75

Finding the Fourth Proportional to 14,440.89, 21,656.93 and 6,120.75

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Solution

The fourth proportional to 14,440.89, 21,656.93 and 6,120.75 is: 9,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.89 : 21,656.93 = 6,120.75 : x
  2. Step 2: Convert to fraction form
    14,440.89/21,656.93 = 6,120.75/x
  3. Step 3: Cross multiply
    14,440.89x = 21,656.93 × 6,120.75
  4. Step 4: Simplify right side
    14,440.89x = 132,556,623.69
  5. Step 5: Solve for x
    x = 132,556,623.69/14,440.89
  6. Step 6: Final answer
    x = 9,179.26

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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.