Home / 11,330.24-15,631.80-7,356.32

Finding the Fourth Proportional to 11,330.24, 15,631.80 and 7,356.32

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Solution

The fourth proportional to 11,330.24, 15,631.80 and 7,356.32 is: 10,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.24 : 15,631.80 = 7,356.32 : x
  2. Step 2: Convert to fraction form
    11,330.24/15,631.80 = 7,356.32/x
  3. Step 3: Cross multiply
    11,330.24x = 15,631.80 × 7,356.32
  4. Step 4: Simplify right side
    11,330.24x = 114,992,522.98
  5. Step 5: Solve for x
    x = 114,992,522.98/11,330.24
  6. Step 6: Final answer
    x = 10,149.17

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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.