Home / 13,256.06-18,274.20-8,772.30

Finding the Fourth Proportional to 13,256.06, 18,274.20 and 8,772.30

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Solution

The fourth proportional to 13,256.06, 18,274.20 and 8,772.30 is: 12,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.06 : 18,274.20 = 8,772.30 : x
  2. Step 2: Convert to fraction form
    13,256.06/18,274.20 = 8,772.30/x
  3. Step 3: Cross multiply
    13,256.06x = 18,274.20 × 8,772.30
  4. Step 4: Simplify right side
    13,256.06x = 160,306,764.66
  5. Step 5: Solve for x
    x = 160,306,764.66/13,256.06
  6. Step 6: Final answer
    x = 12,093.09

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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.