Home / 18,833.96-28,249.98-5,686.28

Finding the Fourth Proportional to 18,833.96, 28,249.98 and 5,686.28

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Solution

The fourth proportional to 18,833.96, 28,249.98 and 5,686.28 is: 8,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.96 : 28,249.98 = 5,686.28 : x
  2. Step 2: Convert to fraction form
    18,833.96/28,249.98 = 5,686.28/x
  3. Step 3: Cross multiply
    18,833.96x = 28,249.98 × 5,686.28
  4. Step 4: Simplify right side
    18,833.96x = 160,637,296.27
  5. Step 5: Solve for x
    x = 160,637,296.27/18,833.96
  6. Step 6: Final answer
    x = 8,529.13

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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.