Home / 12,358.50-17,054.79-6,693.32

Finding the Fourth Proportional to 12,358.50, 17,054.79 and 6,693.32

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Solution

The fourth proportional to 12,358.50, 17,054.79 and 6,693.32 is: 9,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.50 : 17,054.79 = 6,693.32 : x
  2. Step 2: Convert to fraction form
    12,358.50/17,054.79 = 6,693.32/x
  3. Step 3: Cross multiply
    12,358.50x = 17,054.79 × 6,693.32
  4. Step 4: Simplify right side
    12,358.50x = 114,153,120.58
  5. Step 5: Solve for x
    x = 114,153,120.58/12,358.50
  6. Step 6: Final answer
    x = 9,236.81

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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.