Home / 14,571.08-21,836.28-12,811.76

Finding the Fourth Proportional to 14,571.08, 21,836.28 and 12,811.76

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Solution

The fourth proportional to 14,571.08, 21,836.28 and 12,811.76 is: 19,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.08 : 21,836.28 = 12,811.76 : x
  2. Step 2: Convert to fraction form
    14,571.08/21,836.28 = 12,811.76/x
  3. Step 3: Cross multiply
    14,571.08x = 21,836.28 × 12,811.76
  4. Step 4: Simplify right side
    14,571.08x = 279,761,178.65
  5. Step 5: Solve for x
    x = 279,761,178.65/14,571.08
  6. Step 6: Final answer
    x = 19,199.76

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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.