Home / 14,319.36-21,479.04-5,084.64

Finding the Fourth Proportional to 14,319.36, 21,479.04 and 5,084.64

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Solution

The fourth proportional to 14,319.36, 21,479.04 and 5,084.64 is: 7,626.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.36 : 21,479.04 = 5,084.64 : x
  2. Step 2: Convert to fraction form
    14,319.36/21,479.04 = 5,084.64/x
  3. Step 3: Cross multiply
    14,319.36x = 21,479.04 × 5,084.64
  4. Step 4: Simplify right side
    14,319.36x = 109,213,185.95
  5. Step 5: Solve for x
    x = 109,213,185.95/14,319.36
  6. Step 6: Final answer
    x = 7,626.96

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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.