Home / 16,128.51-22,257.34-9,054.92

Finding the Fourth Proportional to 16,128.51, 22,257.34 and 9,054.92

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Solution

The fourth proportional to 16,128.51, 22,257.34 and 9,054.92 is: 12,495.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.51 : 22,257.34 = 9,054.92 : x
  2. Step 2: Convert to fraction form
    16,128.51/22,257.34 = 9,054.92/x
  3. Step 3: Cross multiply
    16,128.51x = 22,257.34 × 9,054.92
  4. Step 4: Simplify right side
    16,128.51x = 201,538,433.11
  5. Step 5: Solve for x
    x = 201,538,433.11/16,128.51
  6. Step 6: Final answer
    x = 12,495.79

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Half scale
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Double scale
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Similar ratio
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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.