Home / 14,107.07-21,157.12-5,789.45

Finding the Fourth Proportional to 14,107.07, 21,157.12 and 5,789.45

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Solution

The fourth proportional to 14,107.07, 21,157.12 and 5,789.45 is: 8,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.07 : 21,157.12 = 5,789.45 : x
  2. Step 2: Convert to fraction form
    14,107.07/21,157.12 = 5,789.45/x
  3. Step 3: Cross multiply
    14,107.07x = 21,157.12 × 5,789.45
  4. Step 4: Simplify right side
    14,107.07x = 122,488,088.38
  5. Step 5: Solve for x
    x = 122,488,088.38/14,107.07
  6. Step 6: Final answer
    x = 8,682.74

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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.