Home / 14,830.88-20,357.58-13,114.68

Finding the Fourth Proportional to 14,830.88, 20,357.58 and 13,114.68

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Solution

The fourth proportional to 14,830.88, 20,357.58 and 13,114.68 is: 18,001.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830.88 : 20,357.58 = 13,114.68 : x
  2. Step 2: Convert to fraction form
    14,830.88/20,357.58 = 13,114.68/x
  3. Step 3: Cross multiply
    14,830.88x = 20,357.58 × 13,114.68
  4. Step 4: Simplify right side
    14,830.88x = 266,983,147.27
  5. Step 5: Solve for x
    x = 266,983,147.27/14,830.88
  6. Step 6: Final answer
    x = 18,001.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.