Home / 12,429.26-17,152.70-6,764.32

Finding the Fourth Proportional to 12,429.26, 17,152.70 and 6,764.32

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Solution

The fourth proportional to 12,429.26, 17,152.70 and 6,764.32 is: 9,334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429.26 : 17,152.70 = 6,764.32 : x
  2. Step 2: Convert to fraction form
    12,429.26/17,152.70 = 6,764.32/x
  3. Step 3: Cross multiply
    12,429.26x = 17,152.70 × 6,764.32
  4. Step 4: Simplify right side
    12,429.26x = 116,026,351.66
  5. Step 5: Solve for x
    x = 116,026,351.66/12,429.26
  6. Step 6: Final answer
    x = 9,334.94

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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.