Home / 13,868.05-20,805.72-4,008.13

Finding the Fourth Proportional to 13,868.05, 20,805.72 and 4,008.13

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Solution

The fourth proportional to 13,868.05, 20,805.72 and 4,008.13 is: 6,013.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.05 : 20,805.72 = 4,008.13 : x
  2. Step 2: Convert to fraction form
    13,868.05/20,805.72 = 4,008.13/x
  3. Step 3: Cross multiply
    13,868.05x = 20,805.72 × 4,008.13
  4. Step 4: Simplify right side
    13,868.05x = 83,392,030.50
  5. Step 5: Solve for x
    x = 83,392,030.50/13,868.05
  6. Step 6: Final answer
    x = 6,013.25

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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.