Home / 14,138.82-21,207.32-5,373.51

Finding the Fourth Proportional to 14,138.82, 21,207.32 and 5,373.51

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Solution

The fourth proportional to 14,138.82, 21,207.32 and 5,373.51 is: 8,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.82 : 21,207.32 = 5,373.51 : x
  2. Step 2: Convert to fraction form
    14,138.82/21,207.32 = 5,373.51/x
  3. Step 3: Cross multiply
    14,138.82x = 21,207.32 × 5,373.51
  4. Step 4: Simplify right side
    14,138.82x = 113,957,719.23
  5. Step 5: Solve for x
    x = 113,957,719.23/14,138.82
  6. Step 6: Final answer
    x = 8,059.92

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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.