Home / 9,768.39-13,471.70-7,668.87

Finding the Fourth Proportional to 9,768.39, 13,471.70 and 7,668.87

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Solution

The fourth proportional to 9,768.39, 13,471.70 and 7,668.87 is: 10,576.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768.39 : 13,471.70 = 7,668.87 : x
  2. Step 2: Convert to fraction form
    9,768.39/13,471.70 = 7,668.87/x
  3. Step 3: Cross multiply
    9,768.39x = 13,471.70 × 7,668.87
  4. Step 4: Simplify right side
    9,768.39x = 103,312,677.63
  5. Step 5: Solve for x
    x = 103,312,677.63/9,768.39
  6. Step 6: Final answer
    x = 10,576.22

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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.