Home / 19,610.44-29,407.87-7,123.65

Finding the Fourth Proportional to 19,610.44, 29,407.87 and 7,123.65

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Solution

The fourth proportional to 19,610.44, 29,407.87 and 7,123.65 is: 10,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.44 : 29,407.87 = 7,123.65 : x
  2. Step 2: Convert to fraction form
    19,610.44/29,407.87 = 7,123.65/x
  3. Step 3: Cross multiply
    19,610.44x = 29,407.87 × 7,123.65
  4. Step 4: Simplify right side
    19,610.44x = 209,491,337.51
  5. Step 5: Solve for x
    x = 209,491,337.51/19,610.44
  6. Step 6: Final answer
    x = 10,682.65

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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.