Home / 23,211.25-34,816.93-8,420.18

Finding the Fourth Proportional to 23,211.25, 34,816.93 and 8,420.18

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Solution

The fourth proportional to 23,211.25, 34,816.93 and 8,420.18 is: 12,630.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.25 : 34,816.93 = 8,420.18 : x
  2. Step 2: Convert to fraction form
    23,211.25/34,816.93 = 8,420.18/x
  3. Step 3: Cross multiply
    23,211.25x = 34,816.93 × 8,420.18
  4. Step 4: Simplify right side
    23,211.25x = 293,164,708.59
  5. Step 5: Solve for x
    x = 293,164,708.59/23,211.25
  6. Step 6: Final answer
    x = 12,630.29

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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.