Home / 18,266.36-25,207.62-9,882.86

Finding the Fourth Proportional to 18,266.36, 25,207.62 and 9,882.86

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Solution

The fourth proportional to 18,266.36, 25,207.62 and 9,882.86 is: 13,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.36 : 25,207.62 = 9,882.86 : x
  2. Step 2: Convert to fraction form
    18,266.36/25,207.62 = 9,882.86/x
  3. Step 3: Cross multiply
    18,266.36x = 25,207.62 × 9,882.86
  4. Step 4: Simplify right side
    18,266.36x = 249,123,379.39
  5. Step 5: Solve for x
    x = 249,123,379.39/18,266.36
  6. Step 6: Final answer
    x = 13,638.37

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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.