Home / 13,748.40-20,650.22-13,360.82

Finding the Fourth Proportional to 13,748.40, 20,650.22 and 13,360.82

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Solution

The fourth proportional to 13,748.40, 20,650.22 and 13,360.82 is: 20,068.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.40 : 20,650.22 = 13,360.82 : x
  2. Step 2: Convert to fraction form
    13,748.40/20,650.22 = 13,360.82/x
  3. Step 3: Cross multiply
    13,748.40x = 20,650.22 × 13,360.82
  4. Step 4: Simplify right side
    13,748.40x = 275,903,702.33
  5. Step 5: Solve for x
    x = 275,903,702.33/13,748.40
  6. Step 6: Final answer
    x = 20,068.06

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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.