Home / 13,084.56-19,624.91-4,319.55

Finding the Fourth Proportional to 13,084.56, 19,624.91 and 4,319.55

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Solution

The fourth proportional to 13,084.56, 19,624.91 and 4,319.55 is: 6,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.56 : 19,624.91 = 4,319.55 : x
  2. Step 2: Convert to fraction form
    13,084.56/19,624.91 = 4,319.55/x
  3. Step 3: Cross multiply
    13,084.56x = 19,624.91 × 4,319.55
  4. Step 4: Simplify right side
    13,084.56x = 84,770,758.39
  5. Step 5: Solve for x
    x = 84,770,758.39/13,084.56
  6. Step 6: Final answer
    x = 6,478.69

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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.