Home / 18,903.43-26,088.24-10,945.79

Finding the Fourth Proportional to 18,903.43, 26,088.24 and 10,945.79

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Solution

The fourth proportional to 18,903.43, 26,088.24 and 10,945.79 is: 15,106.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903.43 : 26,088.24 = 10,945.79 : x
  2. Step 2: Convert to fraction form
    18,903.43/26,088.24 = 10,945.79/x
  3. Step 3: Cross multiply
    18,903.43x = 26,088.24 × 10,945.79
  4. Step 4: Simplify right side
    18,903.43x = 285,556,396.51
  5. Step 5: Solve for x
    x = 285,556,396.51/18,903.43
  6. Step 6: Final answer
    x = 15,106.06

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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.