Home / 15,416.60-21,274.97-8,343.03

Finding the Fourth Proportional to 15,416.60, 21,274.97 and 8,343.03

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Solution

The fourth proportional to 15,416.60, 21,274.97 and 8,343.03 is: 11,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.60 : 21,274.97 = 8,343.03 : x
  2. Step 2: Convert to fraction form
    15,416.60/21,274.97 = 8,343.03/x
  3. Step 3: Cross multiply
    15,416.60x = 21,274.97 × 8,343.03
  4. Step 4: Simplify right side
    15,416.60x = 177,497,618.45
  5. Step 5: Solve for x
    x = 177,497,618.45/15,416.60
  6. Step 6: Final answer
    x = 11,513.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.