Home / 14,276.08-19,706.52-8,686

Finding the Fourth Proportional to 14,276.08, 19,706.52 and 8,686

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Solution

The fourth proportional to 14,276.08, 19,706.52 and 8,686 is: 11,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.08 : 19,706.52 = 8,686 : x
  2. Step 2: Convert to fraction form
    14,276.08/19,706.52 = 8,686/x
  3. Step 3: Cross multiply
    14,276.08x = 19,706.52 × 8,686
  4. Step 4: Simplify right side
    14,276.08x = 171,170,832.72
  5. Step 5: Solve for x
    x = 171,170,832.72/14,276.08
  6. Step 6: Final answer
    x = 11,990.04

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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.