Home / 19,979.06-29,960.79-7,492.27

Finding the Fourth Proportional to 19,979.06, 29,960.79 and 7,492.27

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Solution

The fourth proportional to 19,979.06, 29,960.79 and 7,492.27 is: 11,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.06 : 29,960.79 = 7,492.27 : x
  2. Step 2: Convert to fraction form
    19,979.06/29,960.79 = 7,492.27/x
  3. Step 3: Cross multiply
    19,979.06x = 29,960.79 × 7,492.27
  4. Step 4: Simplify right side
    19,979.06x = 224,474,178.29
  5. Step 5: Solve for x
    x = 224,474,178.29/19,979.06
  6. Step 6: Final answer
    x = 11,235.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.