Home / 19,911.36-27,477.69-10,959.51

Finding the Fourth Proportional to 19,911.36, 27,477.69 and 10,959.51

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Solution

The fourth proportional to 19,911.36, 27,477.69 and 10,959.51 is: 15,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.36 : 27,477.69 = 10,959.51 : x
  2. Step 2: Convert to fraction form
    19,911.36/27,477.69 = 10,959.51/x
  3. Step 3: Cross multiply
    19,911.36x = 27,477.69 × 10,959.51
  4. Step 4: Simplify right side
    19,911.36x = 301,142,018.33
  5. Step 5: Solve for x
    x = 301,142,018.33/19,911.36
  6. Step 6: Final answer
    x = 15,124.13

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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.