Home / 11,022-15,223.32-7,289.52

Finding the Fourth Proportional to 11,022, 15,223.32 and 7,289.52

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Solution

The fourth proportional to 11,022, 15,223.32 and 7,289.52 is: 10,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022 : 15,223.32 = 7,289.52 : x
  2. Step 2: Convert to fraction form
    11,022/15,223.32 = 7,289.52/x
  3. Step 3: Cross multiply
    11,022x = 15,223.32 × 7,289.52
  4. Step 4: Simplify right side
    11,022x = 110,970,695.61
  5. Step 5: Solve for x
    x = 110,970,695.61/11,022
  6. Step 6: Final answer
    x = 10,068.11

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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.