Home / 12,147.44-16,763.43-7,110.66

Finding the Fourth Proportional to 12,147.44, 16,763.43 and 7,110.66

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Solution

The fourth proportional to 12,147.44, 16,763.43 and 7,110.66 is: 9,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147.44 : 16,763.43 = 7,110.66 : x
  2. Step 2: Convert to fraction form
    12,147.44/16,763.43 = 7,110.66/x
  3. Step 3: Cross multiply
    12,147.44x = 16,763.43 × 7,110.66
  4. Step 4: Simplify right side
    12,147.44x = 119,199,073.55
  5. Step 5: Solve for x
    x = 119,199,073.55/12,147.44
  6. Step 6: Final answer
    x = 9,812.69

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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.