Home / 13,914.74-20,872.08-3,526.46

Finding the Fourth Proportional to 13,914.74, 20,872.08 and 3,526.46

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Solution

The fourth proportional to 13,914.74, 20,872.08 and 3,526.46 is: 5,289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.74 : 20,872.08 = 3,526.46 : x
  2. Step 2: Convert to fraction form
    13,914.74/20,872.08 = 3,526.46/x
  3. Step 3: Cross multiply
    13,914.74x = 20,872.08 × 3,526.46
  4. Step 4: Simplify right side
    13,914.74x = 73,604,555.24
  5. Step 5: Solve for x
    x = 73,604,555.24/13,914.74
  6. Step 6: Final answer
    x = 5,289.68

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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.