Home / 14,558.08-21,817.62-8,320

Finding the Fourth Proportional to 14,558.08, 21,817.62 and 8,320

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Solution

The fourth proportional to 14,558.08, 21,817.62 and 8,320 is: 12,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.08 : 21,817.62 = 8,320 : x
  2. Step 2: Convert to fraction form
    14,558.08/21,817.62 = 8,320/x
  3. Step 3: Cross multiply
    14,558.08x = 21,817.62 × 8,320
  4. Step 4: Simplify right side
    14,558.08x = 181,522,598.40
  5. Step 5: Solve for x
    x = 181,522,598.40/14,558.08
  6. Step 6: Final answer
    x = 12,468.86

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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.