Home / 12,650.07-17,454.06-8,172.93

Finding the Fourth Proportional to 12,650.07, 17,454.06 and 8,172.93

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Solution

The fourth proportional to 12,650.07, 17,454.06 and 8,172.93 is: 11,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.07 : 17,454.06 = 8,172.93 : x
  2. Step 2: Convert to fraction form
    12,650.07/17,454.06 = 8,172.93/x
  3. Step 3: Cross multiply
    12,650.07x = 17,454.06 × 8,172.93
  4. Step 4: Simplify right side
    12,650.07x = 142,650,810.60
  5. Step 5: Solve for x
    x = 142,650,810.60/12,650.07
  6. Step 6: Final answer
    x = 11,276.68

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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.