Home / 25,317.09-37,979.75-7,786.94

Finding the Fourth Proportional to 25,317.09, 37,979.75 and 7,786.94

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Solution

The fourth proportional to 25,317.09, 37,979.75 and 7,786.94 is: 11,681.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,317.09 : 37,979.75 = 7,786.94 : x
  2. Step 2: Convert to fraction form
    25,317.09/37,979.75 = 7,786.94/x
  3. Step 3: Cross multiply
    25,317.09x = 37,979.75 × 7,786.94
  4. Step 4: Simplify right side
    25,317.09x = 295,745,864.03
  5. Step 5: Solve for x
    x = 295,745,864.03/25,317.09
  6. Step 6: Final answer
    x = 11,681.67

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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.