Home / 12,906.24-17,809.32-7,602.36

Finding the Fourth Proportional to 12,906.24, 17,809.32 and 7,602.36

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Solution

The fourth proportional to 12,906.24, 17,809.32 and 7,602.36 is: 10,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906.24 : 17,809.32 = 7,602.36 : x
  2. Step 2: Convert to fraction form
    12,906.24/17,809.32 = 7,602.36/x
  3. Step 3: Cross multiply
    12,906.24x = 17,809.32 × 7,602.36
  4. Step 4: Simplify right side
    12,906.24x = 135,392,862.00
  5. Step 5: Solve for x
    x = 135,392,862.00/12,906.24
  6. Step 6: Final answer
    x = 10,490.50

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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.