Home / 12,969.44-17,929.74-12,851.06

Finding the Fourth Proportional to 12,969.44, 17,929.74 and 12,851.06

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Solution

The fourth proportional to 12,969.44, 17,929.74 and 12,851.06 is: 17,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969.44 : 17,929.74 = 12,851.06 : x
  2. Step 2: Convert to fraction form
    12,969.44/17,929.74 = 12,851.06/x
  3. Step 3: Cross multiply
    12,969.44x = 17,929.74 × 12,851.06
  4. Step 4: Simplify right side
    12,969.44x = 230,416,164.52
  5. Step 5: Solve for x
    x = 230,416,164.52/12,969.44
  6. Step 6: Final answer
    x = 17,766.08

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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.