Home / 13,230.84-19,855.86-10,664.76

Finding the Fourth Proportional to 13,230.84, 19,855.86 and 10,664.76

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Solution

The fourth proportional to 13,230.84, 19,855.86 and 10,664.76 is: 16,004.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.84 : 19,855.86 = 10,664.76 : x
  2. Step 2: Convert to fraction form
    13,230.84/19,855.86 = 10,664.76/x
  3. Step 3: Cross multiply
    13,230.84x = 19,855.86 × 10,664.76
  4. Step 4: Simplify right side
    13,230.84x = 211,757,981.49
  5. Step 5: Solve for x
    x = 211,757,981.49/13,230.84
  6. Step 6: Final answer
    x = 16,004.88

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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.