Home / 11,746.98-16,213.42-9,189.67

Finding the Fourth Proportional to 11,746.98, 16,213.42 and 9,189.67

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Solution

The fourth proportional to 11,746.98, 16,213.42 and 9,189.67 is: 12,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.98 : 16,213.42 = 9,189.67 : x
  2. Step 2: Convert to fraction form
    11,746.98/16,213.42 = 9,189.67/x
  3. Step 3: Cross multiply
    11,746.98x = 16,213.42 × 9,189.67
  4. Step 4: Simplify right side
    11,746.98x = 148,995,979.37
  5. Step 5: Solve for x
    x = 148,995,979.37/11,746.98
  6. Step 6: Final answer
    x = 12,683.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.