Home / 19,913.06-27,479.81-10,960.37

Finding the Fourth Proportional to 19,913.06, 27,479.81 and 10,960.37

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Solution

The fourth proportional to 19,913.06, 27,479.81 and 10,960.37 is: 15,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.06 : 27,479.81 = 10,960.37 : x
  2. Step 2: Convert to fraction form
    19,913.06/27,479.81 = 10,960.37/x
  3. Step 3: Cross multiply
    19,913.06x = 27,479.81 × 10,960.37
  4. Step 4: Simplify right side
    19,913.06x = 301,188,830.33
  5. Step 5: Solve for x
    x = 301,188,830.33/19,913.06
  6. Step 6: Final answer
    x = 15,125.19

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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.