Home / 12,538.96-17,303.98-6,873.60

Finding the Fourth Proportional to 12,538.96, 17,303.98 and 6,873.60

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Solution

The fourth proportional to 12,538.96, 17,303.98 and 6,873.60 is: 9,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538.96 : 17,303.98 = 6,873.60 : x
  2. Step 2: Convert to fraction form
    12,538.96/17,303.98 = 6,873.60/x
  3. Step 3: Cross multiply
    12,538.96x = 17,303.98 × 6,873.60
  4. Step 4: Simplify right side
    12,538.96x = 118,940,636.93
  5. Step 5: Solve for x
    x = 118,940,636.93/12,538.96
  6. Step 6: Final answer
    x = 9,485.69

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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.