Home / 13,622.06-20,434.27-3,761.35

Finding the Fourth Proportional to 13,622.06, 20,434.27 and 3,761.35

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Solution

The fourth proportional to 13,622.06, 20,434.27 and 3,761.35 is: 5,642.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.06 : 20,434.27 = 3,761.35 : x
  2. Step 2: Convert to fraction form
    13,622.06/20,434.27 = 3,761.35/x
  3. Step 3: Cross multiply
    13,622.06x = 20,434.27 × 3,761.35
  4. Step 4: Simplify right side
    13,622.06x = 76,860,339.29
  5. Step 5: Solve for x
    x = 76,860,339.29/13,622.06
  6. Step 6: Final answer
    x = 5,642.34

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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.