Home / 13,625.10-20,434.14-4,858.74

Finding the Fourth Proportional to 13,625.10, 20,434.14 and 4,858.74

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Solution

The fourth proportional to 13,625.10, 20,434.14 and 4,858.74 is: 7,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.10 : 20,434.14 = 4,858.74 : x
  2. Step 2: Convert to fraction form
    13,625.10/20,434.14 = 4,858.74/x
  3. Step 3: Cross multiply
    13,625.10x = 20,434.14 × 4,858.74
  4. Step 4: Simplify right side
    13,625.10x = 99,284,173.38
  5. Step 5: Solve for x
    x = 99,284,173.38/13,625.10
  6. Step 6: Final answer
    x = 7,286.86

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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.