Home / 13,254.36-18,283.38-7,946.09

Finding the Fourth Proportional to 13,254.36, 18,283.38 and 7,946.09

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Solution

The fourth proportional to 13,254.36, 18,283.38 and 7,946.09 is: 10,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.36 : 18,283.38 = 7,946.09 : x
  2. Step 2: Convert to fraction form
    13,254.36/18,283.38 = 7,946.09/x
  3. Step 3: Cross multiply
    13,254.36x = 18,283.38 × 7,946.09
  4. Step 4: Simplify right side
    13,254.36x = 145,281,382.98
  5. Step 5: Solve for x
    x = 145,281,382.98/13,254.36
  6. Step 6: Final answer
    x = 10,961.03

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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.