Home / 11,329.73-15,637.26-7,238.91

Finding the Fourth Proportional to 11,329.73, 15,637.26 and 7,238.91

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Solution

The fourth proportional to 11,329.73, 15,637.26 and 7,238.91 is: 9,991.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.73 : 15,637.26 = 7,238.91 : x
  2. Step 2: Convert to fraction form
    11,329.73/15,637.26 = 7,238.91/x
  3. Step 3: Cross multiply
    11,329.73x = 15,637.26 × 7,238.91
  4. Step 4: Simplify right side
    11,329.73x = 113,196,603.41
  5. Step 5: Solve for x
    x = 113,196,603.41/11,329.73
  6. Step 6: Final answer
    x = 9,991.11

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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.