Home / 13,992.36-19,309.02-7,704.68

Finding the Fourth Proportional to 13,992.36, 19,309.02 and 7,704.68

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Solution

The fourth proportional to 13,992.36, 19,309.02 and 7,704.68 is: 10,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.36 : 19,309.02 = 7,704.68 : x
  2. Step 2: Convert to fraction form
    13,992.36/19,309.02 = 7,704.68/x
  3. Step 3: Cross multiply
    13,992.36x = 19,309.02 × 7,704.68
  4. Step 4: Simplify right side
    13,992.36x = 148,769,820.21
  5. Step 5: Solve for x
    x = 148,769,820.21/13,992.36
  6. Step 6: Final answer
    x = 10,632.22

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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.