Home / 14,055.92-21,103.32-7,135.28

Finding the Fourth Proportional to 14,055.92, 21,103.32 and 7,135.28

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Solution

The fourth proportional to 14,055.92, 21,103.32 and 7,135.28 is: 10,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.92 : 21,103.32 = 7,135.28 : x
  2. Step 2: Convert to fraction form
    14,055.92/21,103.32 = 7,135.28/x
  3. Step 3: Cross multiply
    14,055.92x = 21,103.32 × 7,135.28
  4. Step 4: Simplify right side
    14,055.92x = 150,578,097.13
  5. Step 5: Solve for x
    x = 150,578,097.13/14,055.92
  6. Step 6: Final answer
    x = 10,712.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.