Home / 11,342.45-17,011.46-10,779.85

Finding the Fourth Proportional to 11,342.45, 17,011.46 and 10,779.85

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Solution

The fourth proportional to 11,342.45, 17,011.46 and 10,779.85 is: 16,167.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.45 : 17,011.46 = 10,779.85 : x
  2. Step 2: Convert to fraction form
    11,342.45/17,011.46 = 10,779.85/x
  3. Step 3: Cross multiply
    11,342.45x = 17,011.46 × 10,779.85
  4. Step 4: Simplify right side
    11,342.45x = 183,380,975.71
  5. Step 5: Solve for x
    x = 183,380,975.71/11,342.45
  6. Step 6: Final answer
    x = 16,167.67

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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.