Home / 13,539.58-20,308.09-4,177.09

Finding the Fourth Proportional to 13,539.58, 20,308.09 and 4,177.09

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Solution

The fourth proportional to 13,539.58, 20,308.09 and 4,177.09 is: 6,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,539.58 : 20,308.09 = 4,177.09 : x
  2. Step 2: Convert to fraction form
    13,539.58/20,308.09 = 4,177.09/x
  3. Step 3: Cross multiply
    13,539.58x = 20,308.09 × 4,177.09
  4. Step 4: Simplify right side
    13,539.58x = 84,828,607.67
  5. Step 5: Solve for x
    x = 84,828,607.67/13,539.58
  6. Step 6: Final answer
    x = 6,265.23

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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.