Home / 21,429.36-32,143.68-5,846.99

Finding the Fourth Proportional to 21,429.36, 32,143.68 and 5,846.99

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Solution

The fourth proportional to 21,429.36, 32,143.68 and 5,846.99 is: 8,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,429.36 : 32,143.68 = 5,846.99 : x
  2. Step 2: Convert to fraction form
    21,429.36/32,143.68 = 5,846.99/x
  3. Step 3: Cross multiply
    21,429.36x = 32,143.68 × 5,846.99
  4. Step 4: Simplify right side
    21,429.36x = 187,943,614.80
  5. Step 5: Solve for x
    x = 187,943,614.80/21,429.36
  6. Step 6: Final answer
    x = 8,770.38

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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.