Home / 21,616.06-32,438.67-8,466.79

Finding the Fourth Proportional to 21,616.06, 32,438.67 and 8,466.79

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Solution

The fourth proportional to 21,616.06, 32,438.67 and 8,466.79 is: 12,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,616.06 : 32,438.67 = 8,466.79 : x
  2. Step 2: Convert to fraction form
    21,616.06/32,438.67 = 8,466.79/x
  3. Step 3: Cross multiply
    21,616.06x = 32,438.67 × 8,466.79
  4. Step 4: Simplify right side
    21,616.06x = 274,651,406.77
  5. Step 5: Solve for x
    x = 274,651,406.77/21,616.06
  6. Step 6: Final answer
    x = 12,705.90

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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.