Home / 17,985.42-26,961.12-6,291.09

Finding the Fourth Proportional to 17,985.42, 26,961.12 and 6,291.09

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Solution

The fourth proportional to 17,985.42, 26,961.12 and 6,291.09 is: 9,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.42 : 26,961.12 = 6,291.09 : x
  2. Step 2: Convert to fraction form
    17,985.42/26,961.12 = 6,291.09/x
  3. Step 3: Cross multiply
    17,985.42x = 26,961.12 × 6,291.09
  4. Step 4: Simplify right side
    17,985.42x = 169,614,832.42
  5. Step 5: Solve for x
    x = 169,614,832.42/17,985.42
  6. Step 6: Final answer
    x = 9,430.69

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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.