Home / 14,708.97-20,281.90-13,775.85

Finding the Fourth Proportional to 14,708.97, 20,281.90 and 13,775.85

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Solution

The fourth proportional to 14,708.97, 20,281.90 and 13,775.85 is: 18,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.97 : 20,281.90 = 13,775.85 : x
  2. Step 2: Convert to fraction form
    14,708.97/20,281.90 = 13,775.85/x
  3. Step 3: Cross multiply
    14,708.97x = 20,281.90 × 13,775.85
  4. Step 4: Simplify right side
    14,708.97x = 279,400,412.12
  5. Step 5: Solve for x
    x = 279,400,412.12/14,708.97
  6. Step 6: Final answer
    x = 18,995.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.