Home / 11,067.51-15,276.38-7,293.45

Finding the Fourth Proportional to 11,067.51, 15,276.38 and 7,293.45

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Solution

The fourth proportional to 11,067.51, 15,276.38 and 7,293.45 is: 10,067.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.51 : 15,276.38 = 7,293.45 : x
  2. Step 2: Convert to fraction form
    11,067.51/15,276.38 = 7,293.45/x
  3. Step 3: Cross multiply
    11,067.51x = 15,276.38 × 7,293.45
  4. Step 4: Simplify right side
    11,067.51x = 111,417,477.24
  5. Step 5: Solve for x
    x = 111,417,477.24/11,067.51
  6. Step 6: Final answer
    x = 10,067.08

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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.