Home / 18,949.71-26,150.34-10,993.29

Finding the Fourth Proportional to 18,949.71, 26,150.34 and 10,993.29

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Solution

The fourth proportional to 18,949.71, 26,150.34 and 10,993.29 is: 15,170.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.71 : 26,150.34 = 10,993.29 : x
  2. Step 2: Convert to fraction form
    18,949.71/26,150.34 = 10,993.29/x
  3. Step 3: Cross multiply
    18,949.71x = 26,150.34 × 10,993.29
  4. Step 4: Simplify right side
    18,949.71x = 287,478,271.22
  5. Step 5: Solve for x
    x = 287,478,271.22/18,949.71
  6. Step 6: Final answer
    x = 15,170.59

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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.