Home / 18,106.38-24,986.79-11,032.79

Finding the Fourth Proportional to 18,106.38, 24,986.79 and 11,032.79

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Solution

The fourth proportional to 18,106.38, 24,986.79 and 11,032.79 is: 15,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.38 : 24,986.79 = 11,032.79 : x
  2. Step 2: Convert to fraction form
    18,106.38/24,986.79 = 11,032.79/x
  3. Step 3: Cross multiply
    18,106.38x = 24,986.79 × 11,032.79
  4. Step 4: Simplify right side
    18,106.38x = 275,673,881.91
  5. Step 5: Solve for x
    x = 275,673,881.91/18,106.38
  6. Step 6: Final answer
    x = 15,225.23

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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.