Home / 11,708.55-16,147.26-7,733.67

Finding the Fourth Proportional to 11,708.55, 16,147.26 and 7,733.67

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Solution

The fourth proportional to 11,708.55, 16,147.26 and 7,733.67 is: 10,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.55 : 16,147.26 = 7,733.67 : x
  2. Step 2: Convert to fraction form
    11,708.55/16,147.26 = 7,733.67/x
  3. Step 3: Cross multiply
    11,708.55x = 16,147.26 × 7,733.67
  4. Step 4: Simplify right side
    11,708.55x = 124,877,580.24
  5. Step 5: Solve for x
    x = 124,877,580.24/11,708.55
  6. Step 6: Final answer
    x = 10,665.50

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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.