Home / 12,254.37-18,383.39-5,681.22

Finding the Fourth Proportional to 12,254.37, 18,383.39 and 5,681.22

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Solution

The fourth proportional to 12,254.37, 18,383.39 and 5,681.22 is: 8,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.37 : 18,383.39 = 5,681.22 : x
  2. Step 2: Convert to fraction form
    12,254.37/18,383.39 = 5,681.22/x
  3. Step 3: Cross multiply
    12,254.37x = 18,383.39 × 5,681.22
  4. Step 4: Simplify right side
    12,254.37x = 104,440,054.53
  5. Step 5: Solve for x
    x = 104,440,054.53/12,254.37
  6. Step 6: Final answer
    x = 8,522.68

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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.