Home / 10,090.88-13,927.58-6,367.04

Finding the Fourth Proportional to 10,090.88, 13,927.58 and 6,367.04

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Solution

The fourth proportional to 10,090.88, 13,927.58 and 6,367.04 is: 8,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.88 : 13,927.58 = 6,367.04 : x
  2. Step 2: Convert to fraction form
    10,090.88/13,927.58 = 6,367.04/x
  3. Step 3: Cross multiply
    10,090.88x = 13,927.58 × 6,367.04
  4. Step 4: Simplify right side
    10,090.88x = 88,677,357.49
  5. Step 5: Solve for x
    x = 88,677,357.49/10,090.88
  6. Step 6: Final answer
    x = 8,787.88

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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.