Home / 19,486.80-29,230.19-7,006.86

Finding the Fourth Proportional to 19,486.80, 29,230.19 and 7,006.86

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Solution

The fourth proportional to 19,486.80, 29,230.19 and 7,006.86 is: 10,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.80 : 29,230.19 = 7,006.86 : x
  2. Step 2: Convert to fraction form
    19,486.80/29,230.19 = 7,006.86/x
  3. Step 3: Cross multiply
    19,486.80x = 29,230.19 × 7,006.86
  4. Step 4: Simplify right side
    19,486.80x = 204,811,814.07
  5. Step 5: Solve for x
    x = 204,811,814.07/19,486.80
  6. Step 6: Final answer
    x = 10,510.28

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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.