Home / 12,319.03-16,997.75-7,012.45

Finding the Fourth Proportional to 12,319.03, 16,997.75 and 7,012.45

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Solution

The fourth proportional to 12,319.03, 16,997.75 and 7,012.45 is: 9,675.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.03 : 16,997.75 = 7,012.45 : x
  2. Step 2: Convert to fraction form
    12,319.03/16,997.75 = 7,012.45/x
  3. Step 3: Cross multiply
    12,319.03x = 16,997.75 × 7,012.45
  4. Step 4: Simplify right side
    12,319.03x = 119,195,836.93
  5. Step 5: Solve for x
    x = 119,195,836.93/12,319.03
  6. Step 6: Final answer
    x = 9,675.75

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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.