Home / 14,173.14-21,263.52-12,623.76

Finding the Fourth Proportional to 14,173.14, 21,263.52 and 12,623.76

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Solution

The fourth proportional to 14,173.14, 21,263.52 and 12,623.76 is: 18,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173.14 : 21,263.52 = 12,623.76 : x
  2. Step 2: Convert to fraction form
    14,173.14/21,263.52 = 12,623.76/x
  3. Step 3: Cross multiply
    14,173.14x = 21,263.52 × 12,623.76
  4. Step 4: Simplify right side
    14,173.14x = 268,425,573.24
  5. Step 5: Solve for x
    x = 268,425,573.24/14,173.14
  6. Step 6: Final answer
    x = 18,939.03

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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.