Home / 13,506.25-20,259.47-4,272.25

Finding the Fourth Proportional to 13,506.25, 20,259.47 and 4,272.25

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Solution

The fourth proportional to 13,506.25, 20,259.47 and 4,272.25 is: 6,408.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.25 : 20,259.47 = 4,272.25 : x
  2. Step 2: Convert to fraction form
    13,506.25/20,259.47 = 4,272.25/x
  3. Step 3: Cross multiply
    13,506.25x = 20,259.47 × 4,272.25
  4. Step 4: Simplify right side
    13,506.25x = 86,553,520.71
  5. Step 5: Solve for x
    x = 86,553,520.71/13,506.25
  6. Step 6: Final answer
    x = 6,408.41

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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.