Home / 12,746.67-17,596.80-7,969.28

Finding the Fourth Proportional to 12,746.67, 17,596.80 and 7,969.28

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Solution

The fourth proportional to 12,746.67, 17,596.80 and 7,969.28 is: 11,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.67 : 17,596.80 = 7,969.28 : x
  2. Step 2: Convert to fraction form
    12,746.67/17,596.80 = 7,969.28/x
  3. Step 3: Cross multiply
    12,746.67x = 17,596.80 × 7,969.28
  4. Step 4: Simplify right side
    12,746.67x = 140,233,738.32
  5. Step 5: Solve for x
    x = 140,233,738.32/12,746.67
  6. Step 6: Final answer
    x = 11,001.60

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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.