Home / 13,765.14-20,641.41-4,403.34

Finding the Fourth Proportional to 13,765.14, 20,641.41 and 4,403.34

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Solution

The fourth proportional to 13,765.14, 20,641.41 and 4,403.34 is: 6,602.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.14 : 20,641.41 = 4,403.34 : x
  2. Step 2: Convert to fraction form
    13,765.14/20,641.41 = 4,403.34/x
  3. Step 3: Cross multiply
    13,765.14x = 20,641.41 × 4,403.34
  4. Step 4: Simplify right side
    13,765.14x = 90,891,146.31
  5. Step 5: Solve for x
    x = 90,891,146.31/13,765.14
  6. Step 6: Final answer
    x = 6,602.99

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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.