Home / 13,628.80-18,826.86-10,524.88

Finding the Fourth Proportional to 13,628.80, 18,826.86 and 10,524.88

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Solution

The fourth proportional to 13,628.80, 18,826.86 and 10,524.88 is: 14,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628.80 : 18,826.86 = 10,524.88 : x
  2. Step 2: Convert to fraction form
    13,628.80/18,826.86 = 10,524.88/x
  3. Step 3: Cross multiply
    13,628.80x = 18,826.86 × 10,524.88
  4. Step 4: Simplify right side
    13,628.80x = 198,150,442.28
  5. Step 5: Solve for x
    x = 198,150,442.28/13,628.80
  6. Step 6: Final answer
    x = 14,539.10

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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.