Home / 12,762.05-19,145.11-4,444.43

Finding the Fourth Proportional to 12,762.05, 19,145.11 and 4,444.43

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Solution

The fourth proportional to 12,762.05, 19,145.11 and 4,444.43 is: 6,667.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762.05 : 19,145.11 = 4,444.43 : x
  2. Step 2: Convert to fraction form
    12,762.05/19,145.11 = 4,444.43/x
  3. Step 3: Cross multiply
    12,762.05x = 19,145.11 × 4,444.43
  4. Step 4: Simplify right side
    12,762.05x = 85,089,005.51
  5. Step 5: Solve for x
    x = 85,089,005.51/12,762.05
  6. Step 6: Final answer
    x = 6,667.35

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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.