Home / 13,479.35-18,602.06-7,511.00

Finding the Fourth Proportional to 13,479.35, 18,602.06 and 7,511.00

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Solution

The fourth proportional to 13,479.35, 18,602.06 and 7,511.00 is: 10,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479.35 : 18,602.06 = 7,511.00 : x
  2. Step 2: Convert to fraction form
    13,479.35/18,602.06 = 7,511.00/x
  3. Step 3: Cross multiply
    13,479.35x = 18,602.06 × 7,511.00
  4. Step 4: Simplify right side
    13,479.35x = 139,719,942.09
  5. Step 5: Solve for x
    x = 139,719,942.09/13,479.35
  6. Step 6: Final answer
    x = 10,365.48

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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.