Home / 11,309.38-15,606.76-6,273.48

Finding the Fourth Proportional to 11,309.38, 15,606.76 and 6,273.48

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Solution

The fourth proportional to 11,309.38, 15,606.76 and 6,273.48 is: 8,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.38 : 15,606.76 = 6,273.48 : x
  2. Step 2: Convert to fraction form
    11,309.38/15,606.76 = 6,273.48/x
  3. Step 3: Cross multiply
    11,309.38x = 15,606.76 × 6,273.48
  4. Step 4: Simplify right side
    11,309.38x = 97,908,696.72
  5. Step 5: Solve for x
    x = 97,908,696.72/11,309.38
  6. Step 6: Final answer
    x = 8,657.30

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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.