Home / 19,417.05-29,131.67-6,936.80

Finding the Fourth Proportional to 19,417.05, 29,131.67 and 6,936.80

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Solution

The fourth proportional to 19,417.05, 29,131.67 and 6,936.80 is: 10,407.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.05 : 29,131.67 = 6,936.80 : x
  2. Step 2: Convert to fraction form
    19,417.05/29,131.67 = 6,936.80/x
  3. Step 3: Cross multiply
    19,417.05x = 29,131.67 × 6,936.80
  4. Step 4: Simplify right side
    19,417.05x = 202,080,440.14
  5. Step 5: Solve for x
    x = 202,080,440.14/19,417.05
  6. Step 6: Final answer
    x = 10,407.37

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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.