Home / 12,512.24-18,767.70-3,152.25

Finding the Fourth Proportional to 12,512.24, 18,767.70 and 3,152.25

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Solution

The fourth proportional to 12,512.24, 18,767.70 and 3,152.25 is: 4,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.24 : 18,767.70 = 3,152.25 : x
  2. Step 2: Convert to fraction form
    12,512.24/18,767.70 = 3,152.25/x
  3. Step 3: Cross multiply
    12,512.24x = 18,767.70 × 3,152.25
  4. Step 4: Simplify right side
    12,512.24x = 59,160,482.33
  5. Step 5: Solve for x
    x = 59,160,482.33/12,512.24
  6. Step 6: Final answer
    x = 4,728.21

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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.