Home / 11,360.12-15,684.59-10,161.37

Finding the Fourth Proportional to 11,360.12, 15,684.59 and 10,161.37

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Solution

The fourth proportional to 11,360.12, 15,684.59 and 10,161.37 is: 14,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.12 : 15,684.59 = 10,161.37 : x
  2. Step 2: Convert to fraction form
    11,360.12/15,684.59 = 10,161.37/x
  3. Step 3: Cross multiply
    11,360.12x = 15,684.59 × 10,161.37
  4. Step 4: Simplify right side
    11,360.12x = 159,376,793.06
  5. Step 5: Solve for x
    x = 159,376,793.06/11,360.12
  6. Step 6: Final answer
    x = 14,029.50

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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.