Home / 15,741.00-21,722.49-8,667.38

Finding the Fourth Proportional to 15,741.00, 21,722.49 and 8,667.38

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Solution

The fourth proportional to 15,741.00, 21,722.49 and 8,667.38 is: 11,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741.00 : 21,722.49 = 8,667.38 : x
  2. Step 2: Convert to fraction form
    15,741.00/21,722.49 = 8,667.38/x
  3. Step 3: Cross multiply
    15,741.00x = 21,722.49 × 8,667.38
  4. Step 4: Simplify right side
    15,741.00x = 188,276,966.76
  5. Step 5: Solve for x
    x = 188,276,966.76/15,741.00
  6. Step 6: Final answer
    x = 11,960.93

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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.