Home / 14,104.91-21,115.86-10,423.56

Finding the Fourth Proportional to 14,104.91, 21,115.86 and 10,423.56

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Solution

The fourth proportional to 14,104.91, 21,115.86 and 10,423.56 is: 15,604.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.91 : 21,115.86 = 10,423.56 : x
  2. Step 2: Convert to fraction form
    14,104.91/21,115.86 = 10,423.56/x
  3. Step 3: Cross multiply
    14,104.91x = 21,115.86 × 10,423.56
  4. Step 4: Simplify right side
    14,104.91x = 220,102,473.76
  5. Step 5: Solve for x
    x = 220,102,473.76/14,104.91
  6. Step 6: Final answer
    x = 15,604.67

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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.