Home / 13,945.08-20,918.10-6,549.48

Finding the Fourth Proportional to 13,945.08, 20,918.10 and 6,549.48

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Solution

The fourth proportional to 13,945.08, 20,918.10 and 6,549.48 is: 9,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.08 : 20,918.10 = 6,549.48 : x
  2. Step 2: Convert to fraction form
    13,945.08/20,918.10 = 6,549.48/x
  3. Step 3: Cross multiply
    13,945.08x = 20,918.10 × 6,549.48
  4. Step 4: Simplify right side
    13,945.08x = 137,002,677.59
  5. Step 5: Solve for x
    x = 137,002,677.59/13,945.08
  6. Step 6: Final answer
    x = 9,824.45

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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.