Home / 13,068.86-18,035.43-7,481.66

Finding the Fourth Proportional to 13,068.86, 18,035.43 and 7,481.66

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Solution

The fourth proportional to 13,068.86, 18,035.43 and 7,481.66 is: 10,324.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.86 : 18,035.43 = 7,481.66 : x
  2. Step 2: Convert to fraction form
    13,068.86/18,035.43 = 7,481.66/x
  3. Step 3: Cross multiply
    13,068.86x = 18,035.43 × 7,481.66
  4. Step 4: Simplify right side
    13,068.86x = 134,934,955.21
  5. Step 5: Solve for x
    x = 134,934,955.21/13,068.86
  6. Step 6: Final answer
    x = 10,324.92

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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.