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Finding the Fourth Proportional to 17,390.60, 23,999.04 and 9,432.80

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Solution

The fourth proportional to 17,390.60, 23,999.04 and 9,432.80 is: 13,017.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.60 : 23,999.04 = 9,432.80 : x
  2. Step 2: Convert to fraction form
    17,390.60/23,999.04 = 9,432.80/x
  3. Step 3: Cross multiply
    17,390.60x = 23,999.04 × 9,432.80
  4. Step 4: Simplify right side
    17,390.60x = 226,378,144.51
  5. Step 5: Solve for x
    x = 226,378,144.51/17,390.60
  6. Step 6: Final answer
    x = 13,017.27

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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.