Home / 9,771.37-13,491.16-6,239.36

Finding the Fourth Proportional to 9,771.37, 13,491.16 and 6,239.36

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Solution

The fourth proportional to 9,771.37, 13,491.16 and 6,239.36 is: 8,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771.37 : 13,491.16 = 6,239.36 : x
  2. Step 2: Convert to fraction form
    9,771.37/13,491.16 = 6,239.36/x
  3. Step 3: Cross multiply
    9,771.37x = 13,491.16 × 6,239.36
  4. Step 4: Simplify right side
    9,771.37x = 84,176,222.19
  5. Step 5: Solve for x
    x = 84,176,222.19/9,771.37
  6. Step 6: Final answer
    x = 8,614.58

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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.