Home / 12,365.04-18,551-6,520.08

Finding the Fourth Proportional to 12,365.04, 18,551 and 6,520.08

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Solution

The fourth proportional to 12,365.04, 18,551 and 6,520.08 is: 9,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.04 : 18,551 = 6,520.08 : x
  2. Step 2: Convert to fraction form
    12,365.04/18,551 = 6,520.08/x
  3. Step 3: Cross multiply
    12,365.04x = 18,551 × 6,520.08
  4. Step 4: Simplify right side
    12,365.04x = 120,954,004.08
  5. Step 5: Solve for x
    x = 120,954,004.08/12,365.04
  6. Step 6: Final answer
    x = 9,781.93

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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.