Home / 14,090.39-21,117.27-5,760.89

Finding the Fourth Proportional to 14,090.39, 21,117.27 and 5,760.89

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Solution

The fourth proportional to 14,090.39, 21,117.27 and 5,760.89 is: 8,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.39 : 21,117.27 = 5,760.89 : x
  2. Step 2: Convert to fraction form
    14,090.39/21,117.27 = 5,760.89/x
  3. Step 3: Cross multiply
    14,090.39x = 21,117.27 × 5,760.89
  4. Step 4: Simplify right side
    14,090.39x = 121,654,269.57
  5. Step 5: Solve for x
    x = 121,654,269.57/14,090.39
  6. Step 6: Final answer
    x = 8,633.85

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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.