Home / 13,860.46-20,798.89-5,101.52

Finding the Fourth Proportional to 13,860.46, 20,798.89 and 5,101.52

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Solution

The fourth proportional to 13,860.46, 20,798.89 and 5,101.52 is: 7,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.46 : 20,798.89 = 5,101.52 : x
  2. Step 2: Convert to fraction form
    13,860.46/20,798.89 = 5,101.52/x
  3. Step 3: Cross multiply
    13,860.46x = 20,798.89 × 5,101.52
  4. Step 4: Simplify right side
    13,860.46x = 106,105,992.56
  5. Step 5: Solve for x
    x = 106,105,992.56/13,860.46
  6. Step 6: Final answer
    x = 7,655.30

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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.