Home / 14,485.18-19,991.16-8,197.96

Finding the Fourth Proportional to 14,485.18, 19,991.16 and 8,197.96

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Solution

The fourth proportional to 14,485.18, 19,991.16 and 8,197.96 is: 11,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.18 : 19,991.16 = 8,197.96 : x
  2. Step 2: Convert to fraction form
    14,485.18/19,991.16 = 8,197.96/x
  3. Step 3: Cross multiply
    14,485.18x = 19,991.16 × 8,197.96
  4. Step 4: Simplify right side
    14,485.18x = 163,886,730.03
  5. Step 5: Solve for x
    x = 163,886,730.03/14,485.18
  6. Step 6: Final answer
    x = 11,314.10

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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.