Home / 21,912.06-32,883.93-8,768.10

Finding the Fourth Proportional to 21,912.06, 32,883.93 and 8,768.10

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Solution

The fourth proportional to 21,912.06, 32,883.93 and 8,768.10 is: 13,158.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,912.06 : 32,883.93 = 8,768.10 : x
  2. Step 2: Convert to fraction form
    21,912.06/32,883.93 = 8,768.10/x
  3. Step 3: Cross multiply
    21,912.06x = 32,883.93 × 8,768.10
  4. Step 4: Simplify right side
    21,912.06x = 288,329,586.63
  5. Step 5: Solve for x
    x = 288,329,586.63/21,912.06
  6. Step 6: Final answer
    x = 13,158.49

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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.