Home / 13,362.92-20,011.44-6,779.96

Finding the Fourth Proportional to 13,362.92, 20,011.44 and 6,779.96

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Solution

The fourth proportional to 13,362.92, 20,011.44 and 6,779.96 is: 10,153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.92 : 20,011.44 = 6,779.96 : x
  2. Step 2: Convert to fraction form
    13,362.92/20,011.44 = 6,779.96/x
  3. Step 3: Cross multiply
    13,362.92x = 20,011.44 × 6,779.96
  4. Step 4: Simplify right side
    13,362.92x = 135,676,762.74
  5. Step 5: Solve for x
    x = 135,676,762.74/13,362.92
  6. Step 6: Final answer
    x = 10,153.23

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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.