Home / 13,614.95-20,423.58-3,754.23

Finding the Fourth Proportional to 13,614.95, 20,423.58 and 3,754.23

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Solution

The fourth proportional to 13,614.95, 20,423.58 and 3,754.23 is: 5,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.95 : 20,423.58 = 3,754.23 : x
  2. Step 2: Convert to fraction form
    13,614.95/20,423.58 = 3,754.23/x
  3. Step 3: Cross multiply
    13,614.95x = 20,423.58 × 3,754.23
  4. Step 4: Simplify right side
    13,614.95x = 76,674,816.74
  5. Step 5: Solve for x
    x = 76,674,816.74/13,614.95
  6. Step 6: Final answer
    x = 5,631.66

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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.