Home / 12,116.80-16,712.88-11,710.48

Finding the Fourth Proportional to 12,116.80, 16,712.88 and 11,710.48

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Solution

The fourth proportional to 12,116.80, 16,712.88 and 11,710.48 is: 16,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.80 : 16,712.88 = 11,710.48 : x
  2. Step 2: Convert to fraction form
    12,116.80/16,712.88 = 11,710.48/x
  3. Step 3: Cross multiply
    12,116.80x = 16,712.88 × 11,710.48
  4. Step 4: Simplify right side
    12,116.80x = 195,715,846.98
  5. Step 5: Solve for x
    x = 195,715,846.98/12,116.80
  6. Step 6: Final answer
    x = 16,152.44

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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.