Home / 21,666.16-32,493.66-8,518.60

Finding the Fourth Proportional to 21,666.16, 32,493.66 and 8,518.60

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Solution

The fourth proportional to 21,666.16, 32,493.66 and 8,518.60 is: 12,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666.16 : 32,493.66 = 8,518.60 : x
  2. Step 2: Convert to fraction form
    21,666.16/32,493.66 = 8,518.60/x
  3. Step 3: Cross multiply
    21,666.16x = 32,493.66 × 8,518.60
  4. Step 4: Simplify right side
    21,666.16x = 276,800,492.08
  5. Step 5: Solve for x
    x = 276,800,492.08/21,666.16
  6. Step 6: Final answer
    x = 12,775.71

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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.