Home / 14,489.34-19,993.38-8,200.50

Finding the Fourth Proportional to 14,489.34, 19,993.38 and 8,200.50

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Solution

The fourth proportional to 14,489.34, 19,993.38 and 8,200.50 is: 11,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.34 : 19,993.38 = 8,200.50 : x
  2. Step 2: Convert to fraction form
    14,489.34/19,993.38 = 8,200.50/x
  3. Step 3: Cross multiply
    14,489.34x = 19,993.38 × 8,200.50
  4. Step 4: Simplify right side
    14,489.34x = 163,955,712.69
  5. Step 5: Solve for x
    x = 163,955,712.69/14,489.34
  6. Step 6: Final answer
    x = 11,315.61

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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.