Home / 13,284.08-18,327.24-8,810

Finding the Fourth Proportional to 13,284.08, 18,327.24 and 8,810

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Solution

The fourth proportional to 13,284.08, 18,327.24 and 8,810 is: 12,154.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.08 : 18,327.24 = 8,810 : x
  2. Step 2: Convert to fraction form
    13,284.08/18,327.24 = 8,810/x
  3. Step 3: Cross multiply
    13,284.08x = 18,327.24 × 8,810
  4. Step 4: Simplify right side
    13,284.08x = 161,462,984.40
  5. Step 5: Solve for x
    x = 161,462,984.40/13,284.08
  6. Step 6: Final answer
    x = 12,154.62

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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.