Home / 14,093.52-21,140.64-5,326.80

Finding the Fourth Proportional to 14,093.52, 21,140.64 and 5,326.80

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Solution

The fourth proportional to 14,093.52, 21,140.64 and 5,326.80 is: 7,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.52 : 21,140.64 = 5,326.80 : x
  2. Step 2: Convert to fraction form
    14,093.52/21,140.64 = 5,326.80/x
  3. Step 3: Cross multiply
    14,093.52x = 21,140.64 × 5,326.80
  4. Step 4: Simplify right side
    14,093.52x = 112,611,961.15
  5. Step 5: Solve for x
    x = 112,611,961.15/14,093.52
  6. Step 6: Final answer
    x = 7,990.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.