Home / 13,008.32-17,949.60-7,703.36

Finding the Fourth Proportional to 13,008.32, 17,949.60 and 7,703.36

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Solution

The fourth proportional to 13,008.32, 17,949.60 and 7,703.36 is: 10,629.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.32 : 17,949.60 = 7,703.36 : x
  2. Step 2: Convert to fraction form
    13,008.32/17,949.60 = 7,703.36/x
  3. Step 3: Cross multiply
    13,008.32x = 17,949.60 × 7,703.36
  4. Step 4: Simplify right side
    13,008.32x = 138,272,230.66
  5. Step 5: Solve for x
    x = 138,272,230.66/13,008.32
  6. Step 6: Final answer
    x = 10,629.52

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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.