Home / 19,320.99-28,985.62-5,993.70

Finding the Fourth Proportional to 19,320.99, 28,985.62 and 5,993.70

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Solution

The fourth proportional to 19,320.99, 28,985.62 and 5,993.70 is: 8,991.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.99 : 28,985.62 = 5,993.70 : x
  2. Step 2: Convert to fraction form
    19,320.99/28,985.62 = 5,993.70/x
  3. Step 3: Cross multiply
    19,320.99x = 28,985.62 × 5,993.70
  4. Step 4: Simplify right side
    19,320.99x = 173,731,053.11
  5. Step 5: Solve for x
    x = 173,731,053.11/19,320.99
  6. Step 6: Final answer
    x = 8,991.83

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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.