Home / 12,257.77-16,910.09-7,219.58

Finding the Fourth Proportional to 12,257.77, 16,910.09 and 7,219.58

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Solution

The fourth proportional to 12,257.77, 16,910.09 and 7,219.58 is: 9,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257.77 : 16,910.09 = 7,219.58 : x
  2. Step 2: Convert to fraction form
    12,257.77/16,910.09 = 7,219.58/x
  3. Step 3: Cross multiply
    12,257.77x = 16,910.09 × 7,219.58
  4. Step 4: Simplify right side
    12,257.77x = 122,083,663.01
  5. Step 5: Solve for x
    x = 122,083,663.01/12,257.77
  6. Step 6: Final answer
    x = 9,959.70

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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.