Home / 12,262.18-18,391.21-3,495.01

Finding the Fourth Proportional to 12,262.18, 18,391.21 and 3,495.01

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Solution

The fourth proportional to 12,262.18, 18,391.21 and 3,495.01 is: 5,241.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.18 : 18,391.21 = 3,495.01 : x
  2. Step 2: Convert to fraction form
    12,262.18/18,391.21 = 3,495.01/x
  3. Step 3: Cross multiply
    12,262.18x = 18,391.21 × 3,495.01
  4. Step 4: Simplify right side
    12,262.18x = 64,277,445.39
  5. Step 5: Solve for x
    x = 64,277,445.39/12,262.18
  6. Step 6: Final answer
    x = 5,241.93

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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.