Home / 11,726.19-16,175.40-7,246.76

Finding the Fourth Proportional to 11,726.19, 16,175.40 and 7,246.76

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Solution

The fourth proportional to 11,726.19, 16,175.40 and 7,246.76 is: 9,996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.19 : 16,175.40 = 7,246.76 : x
  2. Step 2: Convert to fraction form
    11,726.19/16,175.40 = 7,246.76/x
  3. Step 3: Cross multiply
    11,726.19x = 16,175.40 × 7,246.76
  4. Step 4: Simplify right side
    11,726.19x = 117,219,160.83
  5. Step 5: Solve for x
    x = 117,219,160.83/11,726.19
  6. Step 6: Final answer
    x = 9,996.36

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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.