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Finding the Fourth Proportional to 17,368.90, 23,968.98 and 9,817.68

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Solution

The fourth proportional to 17,368.90, 23,968.98 and 9,817.68 is: 13,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,368.90 : 23,968.98 = 9,817.68 : x
  2. Step 2: Convert to fraction form
    17,368.90/23,968.98 = 9,817.68/x
  3. Step 3: Cross multiply
    17,368.90x = 23,968.98 × 9,817.68
  4. Step 4: Simplify right side
    17,368.90x = 235,319,655.72
  5. Step 5: Solve for x
    x = 235,319,655.72/17,368.90
  6. Step 6: Final answer
    x = 13,548.33

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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.