Home / 13,946.19-19,245.63-8,283.72

Finding the Fourth Proportional to 13,946.19, 19,245.63 and 8,283.72

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Solution

The fourth proportional to 13,946.19, 19,245.63 and 8,283.72 is: 11,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.19 : 19,245.63 = 8,283.72 : x
  2. Step 2: Convert to fraction form
    13,946.19/19,245.63 = 8,283.72/x
  3. Step 3: Cross multiply
    13,946.19x = 19,245.63 × 8,283.72
  4. Step 4: Simplify right side
    13,946.19x = 159,425,410.14
  5. Step 5: Solve for x
    x = 159,425,410.14/13,946.19
  6. Step 6: Final answer
    x = 11,431.47

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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.