Home / 15,628.38-21,567.06-8,554.92

Finding the Fourth Proportional to 15,628.38, 21,567.06 and 8,554.92

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Solution

The fourth proportional to 15,628.38, 21,567.06 and 8,554.92 is: 11,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.38 : 21,567.06 = 8,554.92 : x
  2. Step 2: Convert to fraction form
    15,628.38/21,567.06 = 8,554.92/x
  3. Step 3: Cross multiply
    15,628.38x = 21,567.06 × 8,554.92
  4. Step 4: Simplify right side
    15,628.38x = 184,504,472.94
  5. Step 5: Solve for x
    x = 184,504,472.94/15,628.38
  6. Step 6: Final answer
    x = 11,805.73

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Half scale
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Double scale
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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.