Home / 13,459.46-20,192.57-7,917.44

Finding the Fourth Proportional to 13,459.46, 20,192.57 and 7,917.44

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Solution

The fourth proportional to 13,459.46, 20,192.57 and 7,917.44 is: 11,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.46 : 20,192.57 = 7,917.44 : x
  2. Step 2: Convert to fraction form
    13,459.46/20,192.57 = 7,917.44/x
  3. Step 3: Cross multiply
    13,459.46x = 20,192.57 × 7,917.44
  4. Step 4: Simplify right side
    13,459.46x = 159,873,421.83
  5. Step 5: Solve for x
    x = 159,873,421.83/13,459.46
  6. Step 6: Final answer
    x = 11,878.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.