Home / 17,317.18-25,975.77-13,876.30

Finding the Fourth Proportional to 17,317.18, 25,975.77 and 13,876.30

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Solution

The fourth proportional to 17,317.18, 25,975.77 and 13,876.30 is: 20,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,317.18 : 25,975.77 = 13,876.30 : x
  2. Step 2: Convert to fraction form
    17,317.18/25,975.77 = 13,876.30/x
  3. Step 3: Cross multiply
    17,317.18x = 25,975.77 × 13,876.30
  4. Step 4: Simplify right side
    17,317.18x = 360,447,577.25
  5. Step 5: Solve for x
    x = 360,447,577.25/17,317.18
  6. Step 6: Final answer
    x = 20,814.45

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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.