Home / 21,645.51-32,466.83-8,500.11

Finding the Fourth Proportional to 21,645.51, 32,466.83 and 8,500.11

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Solution

The fourth proportional to 21,645.51, 32,466.83 and 8,500.11 is: 12,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645.51 : 32,466.83 = 8,500.11 : x
  2. Step 2: Convert to fraction form
    21,645.51/32,466.83 = 8,500.11/x
  3. Step 3: Cross multiply
    21,645.51x = 32,466.83 × 8,500.11
  4. Step 4: Simplify right side
    21,645.51x = 275,971,583.85
  5. Step 5: Solve for x
    x = 275,971,583.85/21,645.51
  6. Step 6: Final answer
    x = 12,749.60

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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.