Home / 19,631.48-29,447.38-7,160.44

Finding the Fourth Proportional to 19,631.48, 29,447.38 and 7,160.44

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Solution

The fourth proportional to 19,631.48, 29,447.38 and 7,160.44 is: 10,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.48 : 29,447.38 = 7,160.44 : x
  2. Step 2: Convert to fraction form
    19,631.48/29,447.38 = 7,160.44/x
  3. Step 3: Cross multiply
    19,631.48x = 29,447.38 × 7,160.44
  4. Step 4: Simplify right side
    19,631.48x = 210,856,197.65
  5. Step 5: Solve for x
    x = 210,856,197.65/19,631.48
  6. Step 6: Final answer
    x = 10,740.72

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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.