Home / 13,331.45-20,009.43-6,762.35

Finding the Fourth Proportional to 13,331.45, 20,009.43 and 6,762.35

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Solution

The fourth proportional to 13,331.45, 20,009.43 and 6,762.35 is: 10,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.45 : 20,009.43 = 6,762.35 : x
  2. Step 2: Convert to fraction form
    13,331.45/20,009.43 = 6,762.35/x
  3. Step 3: Cross multiply
    13,331.45x = 20,009.43 × 6,762.35
  4. Step 4: Simplify right side
    13,331.45x = 135,310,818.98
  5. Step 5: Solve for x
    x = 135,310,818.98/13,331.45
  6. Step 6: Final answer
    x = 10,149.74

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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.