Home / 21,492.47-32,247.21-8,348.60

Finding the Fourth Proportional to 21,492.47, 32,247.21 and 8,348.60

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Solution

The fourth proportional to 21,492.47, 32,247.21 and 8,348.60 is: 12,526.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492.47 : 32,247.21 = 8,348.60 : x
  2. Step 2: Convert to fraction form
    21,492.47/32,247.21 = 8,348.60/x
  3. Step 3: Cross multiply
    21,492.47x = 32,247.21 × 8,348.60
  4. Step 4: Simplify right side
    21,492.47x = 269,219,169.33
  5. Step 5: Solve for x
    x = 269,219,169.33/21,492.47
  6. Step 6: Final answer
    x = 12,526.21

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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.