Home / 13,985.62-19,301.97-8,018.26

Finding the Fourth Proportional to 13,985.62, 19,301.97 and 8,018.26

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Solution

The fourth proportional to 13,985.62, 19,301.97 and 8,018.26 is: 11,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.62 : 19,301.97 = 8,018.26 : x
  2. Step 2: Convert to fraction form
    13,985.62/19,301.97 = 8,018.26/x
  3. Step 3: Cross multiply
    13,985.62x = 19,301.97 × 8,018.26
  4. Step 4: Simplify right side
    13,985.62x = 154,768,213.97
  5. Step 5: Solve for x
    x = 154,768,213.97/13,985.62
  6. Step 6: Final answer
    x = 11,066.24

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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.