Home / 13,901.40-20,857.86-7,333.38

Finding the Fourth Proportional to 13,901.40, 20,857.86 and 7,333.38

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Solution

The fourth proportional to 13,901.40, 20,857.86 and 7,333.38 is: 11,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.40 : 20,857.86 = 7,333.38 : x
  2. Step 2: Convert to fraction form
    13,901.40/20,857.86 = 7,333.38/x
  3. Step 3: Cross multiply
    13,901.40x = 20,857.86 × 7,333.38
  4. Step 4: Simplify right side
    13,901.40x = 152,958,613.37
  5. Step 5: Solve for x
    x = 152,958,613.37/13,901.40
  6. Step 6: Final answer
    x = 11,003.11

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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.