Home / 11,949.36-16,487.40-7,232.64

Finding the Fourth Proportional to 11,949.36, 16,487.40 and 7,232.64

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Solution

The fourth proportional to 11,949.36, 16,487.40 and 7,232.64 is: 9,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.36 : 16,487.40 = 7,232.64 : x
  2. Step 2: Convert to fraction form
    11,949.36/16,487.40 = 7,232.64/x
  3. Step 3: Cross multiply
    11,949.36x = 16,487.40 × 7,232.64
  4. Step 4: Simplify right side
    11,949.36x = 119,247,428.74
  5. Step 5: Solve for x
    x = 119,247,428.74/11,949.36
  6. Step 6: Final answer
    x = 9,979.40

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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.