Home / 13,513.80-20,272.49-4,154.46

Finding the Fourth Proportional to 13,513.80, 20,272.49 and 4,154.46

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Solution

The fourth proportional to 13,513.80, 20,272.49 and 4,154.46 is: 6,232.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.80 : 20,272.49 = 4,154.46 : x
  2. Step 2: Convert to fraction form
    13,513.80/20,272.49 = 4,154.46/x
  3. Step 3: Cross multiply
    13,513.80x = 20,272.49 × 4,154.46
  4. Step 4: Simplify right side
    13,513.80x = 84,221,228.03
  5. Step 5: Solve for x
    x = 84,221,228.03/13,513.80
  6. Step 6: Final answer
    x = 6,232.24

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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.