Home / 20,637.89-30,958.16-5,847.98

Finding the Fourth Proportional to 20,637.89, 30,958.16 and 5,847.98

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Solution

The fourth proportional to 20,637.89, 30,958.16 and 5,847.98 is: 8,772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,637.89 : 30,958.16 = 5,847.98 : x
  2. Step 2: Convert to fraction form
    20,637.89/30,958.16 = 5,847.98/x
  3. Step 3: Cross multiply
    20,637.89x = 30,958.16 × 5,847.98
  4. Step 4: Simplify right side
    20,637.89x = 181,042,516.49
  5. Step 5: Solve for x
    x = 181,042,516.49/20,637.89
  6. Step 6: Final answer
    x = 8,772.34

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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.