Home / 13,560.75-20,341.49-4,326.75

Finding the Fourth Proportional to 13,560.75, 20,341.49 and 4,326.75

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Solution

The fourth proportional to 13,560.75, 20,341.49 and 4,326.75 is: 6,490.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.75 : 20,341.49 = 4,326.75 : x
  2. Step 2: Convert to fraction form
    13,560.75/20,341.49 = 4,326.75/x
  3. Step 3: Cross multiply
    13,560.75x = 20,341.49 × 4,326.75
  4. Step 4: Simplify right side
    13,560.75x = 88,012,520.22
  5. Step 5: Solve for x
    x = 88,012,520.22/13,560.75
  6. Step 6: Final answer
    x = 6,490.24

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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.