Home / 14,440.83-21,648.59-6,940.64

Finding the Fourth Proportional to 14,440.83, 21,648.59 and 6,940.64

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Solution

The fourth proportional to 14,440.83, 21,648.59 and 6,940.64 is: 10,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.83 : 21,648.59 = 6,940.64 : x
  2. Step 2: Convert to fraction form
    14,440.83/21,648.59 = 6,940.64/x
  3. Step 3: Cross multiply
    14,440.83x = 21,648.59 × 6,940.64
  4. Step 4: Simplify right side
    14,440.83x = 150,254,926.75
  5. Step 5: Solve for x
    x = 150,254,926.75/14,440.83
  6. Step 6: Final answer
    x = 10,404.87

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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.