Home / 11,006.17-15,184.32-7,231.36

Finding the Fourth Proportional to 11,006.17, 15,184.32 and 7,231.36

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Solution

The fourth proportional to 11,006.17, 15,184.32 and 7,231.36 is: 9,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.17 : 15,184.32 = 7,231.36 : x
  2. Step 2: Convert to fraction form
    11,006.17/15,184.32 = 7,231.36/x
  3. Step 3: Cross multiply
    11,006.17x = 15,184.32 × 7,231.36
  4. Step 4: Simplify right side
    11,006.17x = 109,803,284.28
  5. Step 5: Solve for x
    x = 109,803,284.28/11,006.17
  6. Step 6: Final answer
    x = 9,976.52

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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.