Home / 13,969.08-20,953.56-5,649

Finding the Fourth Proportional to 13,969.08, 20,953.56 and 5,649

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Solution

The fourth proportional to 13,969.08, 20,953.56 and 5,649 is: 8,473.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.08 : 20,953.56 = 5,649 : x
  2. Step 2: Convert to fraction form
    13,969.08/20,953.56 = 5,649/x
  3. Step 3: Cross multiply
    13,969.08x = 20,953.56 × 5,649
  4. Step 4: Simplify right side
    13,969.08x = 118,366,660.44
  5. Step 5: Solve for x
    x = 118,366,660.44/13,969.08
  6. Step 6: Final answer
    x = 8,473.48

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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.