Home / 13,539.14-20,308.57-10,272.27

Finding the Fourth Proportional to 13,539.14, 20,308.57 and 10,272.27

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Solution

The fourth proportional to 13,539.14, 20,308.57 and 10,272.27 is: 15,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,539.14 : 20,308.57 = 10,272.27 : x
  2. Step 2: Convert to fraction form
    13,539.14/20,308.57 = 10,272.27/x
  3. Step 3: Cross multiply
    13,539.14x = 20,308.57 × 10,272.27
  4. Step 4: Simplify right side
    13,539.14x = 208,615,088.67
  5. Step 5: Solve for x
    x = 208,615,088.67/13,539.14
  6. Step 6: Final answer
    x = 15,408.30

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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.