Home / 13,664.59-20,503.26-5,342.45

Finding the Fourth Proportional to 13,664.59, 20,503.26 and 5,342.45

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Solution

The fourth proportional to 13,664.59, 20,503.26 and 5,342.45 is: 8,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.59 : 20,503.26 = 5,342.45 : x
  2. Step 2: Convert to fraction form
    13,664.59/20,503.26 = 5,342.45/x
  3. Step 3: Cross multiply
    13,664.59x = 20,503.26 × 5,342.45
  4. Step 4: Simplify right side
    13,664.59x = 109,537,538.87
  5. Step 5: Solve for x
    x = 109,537,538.87/13,664.59
  6. Step 6: Final answer
    x = 8,016.16

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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.