Home / 21,496.40-32,254.12-8,349.78

Finding the Fourth Proportional to 21,496.40, 32,254.12 and 8,349.78

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Solution

The fourth proportional to 21,496.40, 32,254.12 and 8,349.78 is: 12,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496.40 : 32,254.12 = 8,349.78 : x
  2. Step 2: Convert to fraction form
    21,496.40/32,254.12 = 8,349.78/x
  3. Step 3: Cross multiply
    21,496.40x = 32,254.12 × 8,349.78
  4. Step 4: Simplify right side
    21,496.40x = 269,314,806.09
  5. Step 5: Solve for x
    x = 269,314,806.09/21,496.40
  6. Step 6: Final answer
    x = 12,528.37

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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.