Home / 12,246.22-18,354.75-8,528.32

Finding the Fourth Proportional to 12,246.22, 18,354.75 and 8,528.32

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Solution

The fourth proportional to 12,246.22, 18,354.75 and 8,528.32 is: 12,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.22 : 18,354.75 = 8,528.32 : x
  2. Step 2: Convert to fraction form
    12,246.22/18,354.75 = 8,528.32/x
  3. Step 3: Cross multiply
    12,246.22x = 18,354.75 × 8,528.32
  4. Step 4: Simplify right side
    12,246.22x = 156,535,181.52
  5. Step 5: Solve for x
    x = 156,535,181.52/12,246.22
  6. Step 6: Final answer
    x = 12,782.33

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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.