Home / 9,020.76-12,452.32-7,756.74

Finding the Fourth Proportional to 9,020.76, 12,452.32 and 7,756.74

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Solution

The fourth proportional to 9,020.76, 12,452.32 and 7,756.74 is: 10,707.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.76 : 12,452.32 = 7,756.74 : x
  2. Step 2: Convert to fraction form
    9,020.76/12,452.32 = 7,756.74/x
  3. Step 3: Cross multiply
    9,020.76x = 12,452.32 × 7,756.74
  4. Step 4: Simplify right side
    9,020.76x = 96,589,408.64
  5. Step 5: Solve for x
    x = 96,589,408.64/9,020.76
  6. Step 6: Final answer
    x = 10,707.46

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Half scale
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Double scale
Find fourth proportional to 9,021.76, 12,453.70 and 7,757.74
Similar ratio
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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.