Home / 13,842.14-20,750.41-5,520.13

Finding the Fourth Proportional to 13,842.14, 20,750.41 and 5,520.13

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Solution

The fourth proportional to 13,842.14, 20,750.41 and 5,520.13 is: 8,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842.14 : 20,750.41 = 5,520.13 : x
  2. Step 2: Convert to fraction form
    13,842.14/20,750.41 = 5,520.13/x
  3. Step 3: Cross multiply
    13,842.14x = 20,750.41 × 5,520.13
  4. Step 4: Simplify right side
    13,842.14x = 114,544,829.40
  5. Step 5: Solve for x
    x = 114,544,829.40/13,842.14
  6. Step 6: Final answer
    x = 8,275.08

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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.