Home / 13,108.59-19,656.33-6,538.41

Finding the Fourth Proportional to 13,108.59, 19,656.33 and 6,538.41

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Solution

The fourth proportional to 13,108.59, 19,656.33 and 6,538.41 is: 9,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.59 : 19,656.33 = 6,538.41 : x
  2. Step 2: Convert to fraction form
    13,108.59/19,656.33 = 6,538.41/x
  3. Step 3: Cross multiply
    13,108.59x = 19,656.33 × 6,538.41
  4. Step 4: Simplify right side
    13,108.59x = 128,521,144.64
  5. Step 5: Solve for x
    x = 128,521,144.64/13,108.59
  6. Step 6: Final answer
    x = 9,804.35

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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.