Home / 10,261.44-14,157.64-6,278.40

Finding the Fourth Proportional to 10,261.44, 14,157.64 and 6,278.40

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Solution

The fourth proportional to 10,261.44, 14,157.64 and 6,278.40 is: 8,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.44 : 14,157.64 = 6,278.40 : x
  2. Step 2: Convert to fraction form
    10,261.44/14,157.64 = 6,278.40/x
  3. Step 3: Cross multiply
    10,261.44x = 14,157.64 × 6,278.40
  4. Step 4: Simplify right side
    10,261.44x = 88,887,326.98
  5. Step 5: Solve for x
    x = 88,887,326.98/10,261.44
  6. Step 6: Final answer
    x = 8,662.27

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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.