Home / 21,412.37-32,100.09-8,273.96

Finding the Fourth Proportional to 21,412.37, 32,100.09 and 8,273.96

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Solution

The fourth proportional to 21,412.37, 32,100.09 and 8,273.96 is: 12,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,412.37 : 32,100.09 = 8,273.96 : x
  2. Step 2: Convert to fraction form
    21,412.37/32,100.09 = 8,273.96/x
  3. Step 3: Cross multiply
    21,412.37x = 32,100.09 × 8,273.96
  4. Step 4: Simplify right side
    21,412.37x = 265,594,700.16
  5. Step 5: Solve for x
    x = 265,594,700.16/21,412.37
  6. Step 6: Final answer
    x = 12,403.80

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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.