Home / 13,671.22-20,507.40-7,093.18

Finding the Fourth Proportional to 13,671.22, 20,507.40 and 7,093.18

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Solution

The fourth proportional to 13,671.22, 20,507.40 and 7,093.18 is: 10,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671.22 : 20,507.40 = 7,093.18 : x
  2. Step 2: Convert to fraction form
    13,671.22/20,507.40 = 7,093.18/x
  3. Step 3: Cross multiply
    13,671.22x = 20,507.40 × 7,093.18
  4. Step 4: Simplify right side
    13,671.22x = 145,462,679.53
  5. Step 5: Solve for x
    x = 145,462,679.53/13,671.22
  6. Step 6: Final answer
    x = 10,640.07

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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.