Home / 11,935.24-16,467.98-7,219.42

Finding the Fourth Proportional to 11,935.24, 16,467.98 and 7,219.42

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Solution

The fourth proportional to 11,935.24, 16,467.98 and 7,219.42 is: 9,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.24 : 16,467.98 = 7,219.42 : x
  2. Step 2: Convert to fraction form
    11,935.24/16,467.98 = 7,219.42/x
  3. Step 3: Cross multiply
    11,935.24x = 16,467.98 × 7,219.42
  4. Step 4: Simplify right side
    11,935.24x = 118,889,264.17
  5. Step 5: Solve for x
    x = 118,889,264.17/11,935.24
  6. Step 6: Final answer
    x = 9,961.20

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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.