Home / 13,625.91-20,438.75-4,266.02

Finding the Fourth Proportional to 13,625.91, 20,438.75 and 4,266.02

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Solution

The fourth proportional to 13,625.91, 20,438.75 and 4,266.02 is: 6,399.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.91 : 20,438.75 = 4,266.02 : x
  2. Step 2: Convert to fraction form
    13,625.91/20,438.75 = 4,266.02/x
  3. Step 3: Cross multiply
    13,625.91x = 20,438.75 × 4,266.02
  4. Step 4: Simplify right side
    13,625.91x = 87,192,178.04
  5. Step 5: Solve for x
    x = 87,192,178.04/13,625.91
  6. Step 6: Final answer
    x = 6,399.00

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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.