Home / 18,829.27-28,236.68-6,345.93

Finding the Fourth Proportional to 18,829.27, 28,236.68 and 6,345.93

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Solution

The fourth proportional to 18,829.27, 28,236.68 and 6,345.93 is: 9,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.27 : 28,236.68 = 6,345.93 : x
  2. Step 2: Convert to fraction form
    18,829.27/28,236.68 = 6,345.93/x
  3. Step 3: Cross multiply
    18,829.27x = 28,236.68 × 6,345.93
  4. Step 4: Simplify right side
    18,829.27x = 179,187,994.71
  5. Step 5: Solve for x
    x = 179,187,994.71/18,829.27
  6. Step 6: Final answer
    x = 9,516.46

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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.