Home / 18,827.70-28,246.23-13,291.83

Finding the Fourth Proportional to 18,827.70, 28,246.23 and 13,291.83

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Solution

The fourth proportional to 18,827.70, 28,246.23 and 13,291.83 is: 19,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.70 : 28,246.23 = 13,291.83 : x
  2. Step 2: Convert to fraction form
    18,827.70/28,246.23 = 13,291.83/x
  3. Step 3: Cross multiply
    18,827.70x = 28,246.23 × 13,291.83
  4. Step 4: Simplify right side
    18,827.70x = 375,444,087.30
  5. Step 5: Solve for x
    x = 375,444,087.30/18,827.70
  6. Step 6: Final answer
    x = 19,941.05

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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.