Home / 13,539.56-20,303.94-5,214.92

Finding the Fourth Proportional to 13,539.56, 20,303.94 and 5,214.92

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Solution

The fourth proportional to 13,539.56, 20,303.94 and 5,214.92 is: 7,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,539.56 : 20,303.94 = 5,214.92 : x
  2. Step 2: Convert to fraction form
    13,539.56/20,303.94 = 5,214.92/x
  3. Step 3: Cross multiply
    13,539.56x = 20,303.94 × 5,214.92
  4. Step 4: Simplify right side
    13,539.56x = 105,883,422.78
  5. Step 5: Solve for x
    x = 105,883,422.78/13,539.56
  6. Step 6: Final answer
    x = 7,820.30

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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.