Home / 17,921.27-26,882.58-9,145.93

Finding the Fourth Proportional to 17,921.27, 26,882.58 and 9,145.93

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Solution

The fourth proportional to 17,921.27, 26,882.58 and 9,145.93 is: 13,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.27 : 26,882.58 = 9,145.93 : x
  2. Step 2: Convert to fraction form
    17,921.27/26,882.58 = 9,145.93/x
  3. Step 3: Cross multiply
    17,921.27x = 26,882.58 × 9,145.93
  4. Step 4: Simplify right side
    17,921.27x = 245,866,127.69
  5. Step 5: Solve for x
    x = 245,866,127.69/17,921.27
  6. Step 6: Final answer
    x = 13,719.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.