Home / 12,467.87-17,212.02-9,628.86

Finding the Fourth Proportional to 12,467.87, 17,212.02 and 9,628.86

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Solution

The fourth proportional to 12,467.87, 17,212.02 and 9,628.86 is: 13,292.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.87 : 17,212.02 = 9,628.86 : x
  2. Step 2: Convert to fraction form
    12,467.87/17,212.02 = 9,628.86/x
  3. Step 3: Cross multiply
    12,467.87x = 17,212.02 × 9,628.86
  4. Step 4: Simplify right side
    12,467.87x = 165,732,130.90
  5. Step 5: Solve for x
    x = 165,732,130.90/12,467.87
  6. Step 6: Final answer
    x = 13,292.74

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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.