Home / 12,698.09-17,525.21-7,395.83

Finding the Fourth Proportional to 12,698.09, 17,525.21 and 7,395.83

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Solution

The fourth proportional to 12,698.09, 17,525.21 and 7,395.83 is: 10,207.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698.09 : 17,525.21 = 7,395.83 : x
  2. Step 2: Convert to fraction form
    12,698.09/17,525.21 = 7,395.83/x
  3. Step 3: Cross multiply
    12,698.09x = 17,525.21 × 7,395.83
  4. Step 4: Simplify right side
    12,698.09x = 129,613,349.27
  5. Step 5: Solve for x
    x = 129,613,349.27/12,698.09
  6. Step 6: Final answer
    x = 10,207.31

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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.