Home / 13,949.64-19,254.04-7,983.16

Finding the Fourth Proportional to 13,949.64, 19,254.04 and 7,983.16

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Solution

The fourth proportional to 13,949.64, 19,254.04 and 7,983.16 is: 11,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.64 : 19,254.04 = 7,983.16 : x
  2. Step 2: Convert to fraction form
    13,949.64/19,254.04 = 7,983.16/x
  3. Step 3: Cross multiply
    13,949.64x = 19,254.04 × 7,983.16
  4. Step 4: Simplify right side
    13,949.64x = 153,708,081.97
  5. Step 5: Solve for x
    x = 153,708,081.97/13,949.64
  6. Step 6: Final answer
    x = 11,018.78

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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.