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Finding the Fourth Proportional to 19,029.44, 26,269.44 and 11,068.76

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Solution

The fourth proportional to 19,029.44, 26,269.44 and 11,068.76 is: 15,280.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.44 : 26,269.44 = 11,068.76 : x
  2. Step 2: Convert to fraction form
    19,029.44/26,269.44 = 11,068.76/x
  3. Step 3: Cross multiply
    19,029.44x = 26,269.44 × 11,068.76
  4. Step 4: Simplify right side
    19,029.44x = 290,770,126.69
  5. Step 5: Solve for x
    x = 290,770,126.69/19,029.44
  6. Step 6: Final answer
    x = 15,280.01

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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.