Home / 9,738.35-13,430.10-6,379.94

Finding the Fourth Proportional to 9,738.35, 13,430.10 and 6,379.94

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Solution

The fourth proportional to 9,738.35, 13,430.10 and 6,379.94 is: 8,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,738.35 : 13,430.10 = 6,379.94 : x
  2. Step 2: Convert to fraction form
    9,738.35/13,430.10 = 6,379.94/x
  3. Step 3: Cross multiply
    9,738.35x = 13,430.10 × 6,379.94
  4. Step 4: Simplify right side
    9,738.35x = 85,683,232.19
  5. Step 5: Solve for x
    x = 85,683,232.19/9,738.35
  6. Step 6: Final answer
    x = 8,798.54

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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.