Home / 23,172.89-34,759.32-8,378.35

Finding the Fourth Proportional to 23,172.89, 34,759.32 and 8,378.35

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Solution

The fourth proportional to 23,172.89, 34,759.32 and 8,378.35 is: 12,567.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,172.89 : 34,759.32 = 8,378.35 : x
  2. Step 2: Convert to fraction form
    23,172.89/34,759.32 = 8,378.35/x
  3. Step 3: Cross multiply
    23,172.89x = 34,759.32 × 8,378.35
  4. Step 4: Simplify right side
    23,172.89x = 291,225,584.03
  5. Step 5: Solve for x
    x = 291,225,584.03/23,172.89
  6. Step 6: Final answer
    x = 12,567.51

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Double scale
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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.