Home / 11,162.26-15,374.34-8,320.53

Finding the Fourth Proportional to 11,162.26, 15,374.34 and 8,320.53

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Solution

The fourth proportional to 11,162.26, 15,374.34 and 8,320.53 is: 11,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.26 : 15,374.34 = 8,320.53 : x
  2. Step 2: Convert to fraction form
    11,162.26/15,374.34 = 8,320.53/x
  3. Step 3: Cross multiply
    11,162.26x = 15,374.34 × 8,320.53
  4. Step 4: Simplify right side
    11,162.26x = 127,922,657.20
  5. Step 5: Solve for x
    x = 127,922,657.20/11,162.26
  6. Step 6: Final answer
    x = 11,460.28

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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.