Home / 12,353.90-18,507.62-6,106.64

Finding the Fourth Proportional to 12,353.90, 18,507.62 and 6,106.64

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Solution

The fourth proportional to 12,353.90, 18,507.62 and 6,106.64 is: 9,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.90 : 18,507.62 = 6,106.64 : x
  2. Step 2: Convert to fraction form
    12,353.90/18,507.62 = 6,106.64/x
  3. Step 3: Cross multiply
    12,353.90x = 18,507.62 × 6,106.64
  4. Step 4: Simplify right side
    12,353.90x = 113,019,295.33
  5. Step 5: Solve for x
    x = 113,019,295.33/12,353.90
  6. Step 6: Final answer
    x = 9,148.47

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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.