Home / 11,703.88-16,148.10-6,986.44

Finding the Fourth Proportional to 11,703.88, 16,148.10 and 6,986.44

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Solution

The fourth proportional to 11,703.88, 16,148.10 and 6,986.44 is: 9,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.88 : 16,148.10 = 6,986.44 : x
  2. Step 2: Convert to fraction form
    11,703.88/16,148.10 = 6,986.44/x
  3. Step 3: Cross multiply
    11,703.88x = 16,148.10 × 6,986.44
  4. Step 4: Simplify right side
    11,703.88x = 112,817,731.76
  5. Step 5: Solve for x
    x = 112,817,731.76/11,703.88
  6. Step 6: Final answer
    x = 9,639.34

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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.