Home / 21,640.44-32,436.05-9,152.67

Finding the Fourth Proportional to 21,640.44, 32,436.05 and 9,152.67

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Solution

The fourth proportional to 21,640.44, 32,436.05 and 9,152.67 is: 13,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,640.44 : 32,436.05 = 9,152.67 : x
  2. Step 2: Convert to fraction form
    21,640.44/32,436.05 = 9,152.67/x
  3. Step 3: Cross multiply
    21,640.44x = 32,436.05 × 9,152.67
  4. Step 4: Simplify right side
    21,640.44x = 296,876,415.99
  5. Step 5: Solve for x
    x = 296,876,415.99/21,640.44
  6. Step 6: Final answer
    x = 13,718.59

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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.