Home / 11,261.60-15,539.64-6,225.48

Finding the Fourth Proportional to 11,261.60, 15,539.64 and 6,225.48

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Solution

The fourth proportional to 11,261.60, 15,539.64 and 6,225.48 is: 8,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.60 : 15,539.64 = 6,225.48 : x
  2. Step 2: Convert to fraction form
    11,261.60/15,539.64 = 6,225.48/x
  3. Step 3: Cross multiply
    11,261.60x = 15,539.64 × 6,225.48
  4. Step 4: Simplify right side
    11,261.60x = 96,741,718.03
  5. Step 5: Solve for x
    x = 96,741,718.03/11,261.60
  6. Step 6: Final answer
    x = 8,590.41

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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.