Home / 18,660.69-25,757.06-12,291.93

Finding the Fourth Proportional to 18,660.69, 25,757.06 and 12,291.93

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Solution

The fourth proportional to 18,660.69, 25,757.06 and 12,291.93 is: 16,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.69 : 25,757.06 = 12,291.93 : x
  2. Step 2: Convert to fraction form
    18,660.69/25,757.06 = 12,291.93/x
  3. Step 3: Cross multiply
    18,660.69x = 25,757.06 × 12,291.93
  4. Step 4: Simplify right side
    18,660.69x = 316,603,917.07
  5. Step 5: Solve for x
    x = 316,603,917.07/18,660.69
  6. Step 6: Final answer
    x = 16,966.36

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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.