Home / 9,766.51-14,649.86-3,921.75

Finding the Fourth Proportional to 9,766.51, 14,649.86 and 3,921.75

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Solution

The fourth proportional to 9,766.51, 14,649.86 and 3,921.75 is: 5,882.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766.51 : 14,649.86 = 3,921.75 : x
  2. Step 2: Convert to fraction form
    9,766.51/14,649.86 = 3,921.75/x
  3. Step 3: Cross multiply
    9,766.51x = 14,649.86 × 3,921.75
  4. Step 4: Simplify right side
    9,766.51x = 57,453,098.26
  5. Step 5: Solve for x
    x = 57,453,098.26/9,766.51
  6. Step 6: Final answer
    x = 5,882.67

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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.