Home / 17,285.82-23,840.91-13,317.90

Finding the Fourth Proportional to 17,285.82, 23,840.91 and 13,317.90

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Solution

The fourth proportional to 17,285.82, 23,840.91 and 13,317.90 is: 18,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,285.82 : 23,840.91 = 13,317.90 : x
  2. Step 2: Convert to fraction form
    17,285.82/23,840.91 = 13,317.90/x
  3. Step 3: Cross multiply
    17,285.82x = 23,840.91 × 13,317.90
  4. Step 4: Simplify right side
    17,285.82x = 317,510,855.29
  5. Step 5: Solve for x
    x = 317,510,855.29/17,285.82
  6. Step 6: Final answer
    x = 18,368.28

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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.