Home / 17,945.12-24,764.03-9,987.35

Finding the Fourth Proportional to 17,945.12, 24,764.03 and 9,987.35

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Solution

The fourth proportional to 17,945.12, 24,764.03 and 9,987.35 is: 13,782.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.12 : 24,764.03 = 9,987.35 : x
  2. Step 2: Convert to fraction form
    17,945.12/24,764.03 = 9,987.35/x
  3. Step 3: Cross multiply
    17,945.12x = 24,764.03 × 9,987.35
  4. Step 4: Simplify right side
    17,945.12x = 247,326,985.08
  5. Step 5: Solve for x
    x = 247,326,985.08/17,945.12
  6. Step 6: Final answer
    x = 13,782.41

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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.