Home / 21,856.10-32,808.45-12,014.60

Finding the Fourth Proportional to 21,856.10, 32,808.45 and 12,014.60

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Solution

The fourth proportional to 21,856.10, 32,808.45 and 12,014.60 is: 18,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856.10 : 32,808.45 = 12,014.60 : x
  2. Step 2: Convert to fraction form
    21,856.10/32,808.45 = 12,014.60/x
  3. Step 3: Cross multiply
    21,856.10x = 32,808.45 × 12,014.60
  4. Step 4: Simplify right side
    21,856.10x = 394,180,403.37
  5. Step 5: Solve for x
    x = 394,180,403.37/21,856.10
  6. Step 6: Final answer
    x = 18,035.26

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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.