Home / 13,039.08-18,000.60-10,201.44

Finding the Fourth Proportional to 13,039.08, 18,000.60 and 10,201.44

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Solution

The fourth proportional to 13,039.08, 18,000.60 and 10,201.44 is: 14,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.08 : 18,000.60 = 10,201.44 : x
  2. Step 2: Convert to fraction form
    13,039.08/18,000.60 = 10,201.44/x
  3. Step 3: Cross multiply
    13,039.08x = 18,000.60 × 10,201.44
  4. Step 4: Simplify right side
    13,039.08x = 183,632,040.86
  5. Step 5: Solve for x
    x = 183,632,040.86/13,039.08
  6. Step 6: Final answer
    x = 14,083.21

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1.5x scale

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.