Home / 19,923.68-27,495.36-10,971.80

Finding the Fourth Proportional to 19,923.68, 27,495.36 and 10,971.80

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Solution

The fourth proportional to 19,923.68, 27,495.36 and 10,971.80 is: 15,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.68 : 27,495.36 = 10,971.80 : x
  2. Step 2: Convert to fraction form
    19,923.68/27,495.36 = 10,971.80/x
  3. Step 3: Cross multiply
    19,923.68x = 27,495.36 × 10,971.80
  4. Step 4: Simplify right side
    19,923.68x = 301,673,590.85
  5. Step 5: Solve for x
    x = 301,673,590.85/19,923.68
  6. Step 6: Final answer
    x = 15,141.46

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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.