Home / 13,979.34-19,286.77-9,495.32

Finding the Fourth Proportional to 13,979.34, 19,286.77 and 9,495.32

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Solution

The fourth proportional to 13,979.34, 19,286.77 and 9,495.32 is: 13,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.34 : 19,286.77 = 9,495.32 : x
  2. Step 2: Convert to fraction form
    13,979.34/19,286.77 = 9,495.32/x
  3. Step 3: Cross multiply
    13,979.34x = 19,286.77 × 9,495.32
  4. Step 4: Simplify right side
    13,979.34x = 183,134,052.92
  5. Step 5: Solve for x
    x = 183,134,052.92/13,979.34
  6. Step 6: Final answer
    x = 13,100.34

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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.