Home / 14,487.04-19,993.20-8,200.36

Finding the Fourth Proportional to 14,487.04, 19,993.20 and 8,200.36

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Solution

The fourth proportional to 14,487.04, 19,993.20 and 8,200.36 is: 11,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.04 : 19,993.20 = 8,200.36 : x
  2. Step 2: Convert to fraction form
    14,487.04/19,993.20 = 8,200.36/x
  3. Step 3: Cross multiply
    14,487.04x = 19,993.20 × 8,200.36
  4. Step 4: Simplify right side
    14,487.04x = 163,951,437.55
  5. Step 5: Solve for x
    x = 163,951,437.55/14,487.04
  6. Step 6: Final answer
    x = 11,317.11

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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.