Home / 18,783.27-28,166.67-8,925.39

Finding the Fourth Proportional to 18,783.27, 28,166.67 and 8,925.39

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Solution

The fourth proportional to 18,783.27, 28,166.67 and 8,925.39 is: 13,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783.27 : 28,166.67 = 8,925.39 : x
  2. Step 2: Convert to fraction form
    18,783.27/28,166.67 = 8,925.39/x
  3. Step 3: Cross multiply
    18,783.27x = 28,166.67 × 8,925.39
  4. Step 4: Simplify right side
    18,783.27x = 251,398,514.75
  5. Step 5: Solve for x
    x = 251,398,514.75/18,783.27
  6. Step 6: Final answer
    x = 13,384.17

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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.