Home / 14,180.58-21,270.87-4,319.64

Finding the Fourth Proportional to 14,180.58, 21,270.87 and 4,319.64

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Solution

The fourth proportional to 14,180.58, 21,270.87 and 4,319.64 is: 6,479.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.58 : 21,270.87 = 4,319.64 : x
  2. Step 2: Convert to fraction form
    14,180.58/21,270.87 = 4,319.64/x
  3. Step 3: Cross multiply
    14,180.58x = 21,270.87 × 4,319.64
  4. Step 4: Simplify right side
    14,180.58x = 91,882,500.89
  5. Step 5: Solve for x
    x = 91,882,500.89/14,180.58
  6. Step 6: Final answer
    x = 6,479.46

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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.