Home / 12,539.58-17,303.88-6,873.20

Finding the Fourth Proportional to 12,539.58, 17,303.88 and 6,873.20

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Solution

The fourth proportional to 12,539.58, 17,303.88 and 6,873.20 is: 9,484.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.58 : 17,303.88 = 6,873.20 : x
  2. Step 2: Convert to fraction form
    12,539.58/17,303.88 = 6,873.20/x
  3. Step 3: Cross multiply
    12,539.58x = 17,303.88 × 6,873.20
  4. Step 4: Simplify right side
    12,539.58x = 118,933,028.02
  5. Step 5: Solve for x
    x = 118,933,028.02/12,539.58
  6. Step 6: Final answer
    x = 9,484.61

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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.