Home / 19,911.69-27,477.36-10,958.63

Finding the Fourth Proportional to 19,911.69, 27,477.36 and 10,958.63

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Solution

The fourth proportional to 19,911.69, 27,477.36 and 10,958.63 is: 15,122.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.69 : 27,477.36 = 10,958.63 : x
  2. Step 2: Convert to fraction form
    19,911.69/27,477.36 = 10,958.63/x
  3. Step 3: Cross multiply
    19,911.69x = 27,477.36 × 10,958.63
  4. Step 4: Simplify right side
    19,911.69x = 301,114,084.23
  5. Step 5: Solve for x
    x = 301,114,084.23/19,911.69
  6. Step 6: Final answer
    x = 15,122.48

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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.