Home / 12,151.06-16,772.60-7,555.44

Finding the Fourth Proportional to 12,151.06, 16,772.60 and 7,555.44

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Solution

The fourth proportional to 12,151.06, 16,772.60 and 7,555.44 is: 10,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151.06 : 16,772.60 = 7,555.44 : x
  2. Step 2: Convert to fraction form
    12,151.06/16,772.60 = 7,555.44/x
  3. Step 3: Cross multiply
    12,151.06x = 16,772.60 × 7,555.44
  4. Step 4: Simplify right side
    12,151.06x = 126,724,372.94
  5. Step 5: Solve for x
    x = 126,724,372.94/12,151.06
  6. Step 6: Final answer
    x = 10,429.08

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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.