Home / 17,387.25-23,994.39-9,429.50

Finding the Fourth Proportional to 17,387.25, 23,994.39 and 9,429.50

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Solution

The fourth proportional to 17,387.25, 23,994.39 and 9,429.50 is: 13,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.25 : 23,994.39 = 9,429.50 : x
  2. Step 2: Convert to fraction form
    17,387.25/23,994.39 = 9,429.50/x
  3. Step 3: Cross multiply
    17,387.25x = 23,994.39 × 9,429.50
  4. Step 4: Simplify right side
    17,387.25x = 226,255,100.51
  5. Step 5: Solve for x
    x = 226,255,100.51/17,387.25
  6. Step 6: Final answer
    x = 13,012.70

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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.