Home / 15,899.40-23,816.70-8,112.60

Finding the Fourth Proportional to 15,899.40, 23,816.70 and 8,112.60

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Solution

The fourth proportional to 15,899.40, 23,816.70 and 8,112.60 is: 12,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.40 : 23,816.70 = 8,112.60 : x
  2. Step 2: Convert to fraction form
    15,899.40/23,816.70 = 8,112.60/x
  3. Step 3: Cross multiply
    15,899.40x = 23,816.70 × 8,112.60
  4. Step 4: Simplify right side
    15,899.40x = 193,215,360.42
  5. Step 5: Solve for x
    x = 193,215,360.42/15,899.40
  6. Step 6: Final answer
    x = 12,152.37

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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.