Home / 18,385.47-27,582.30-6,698.69

Finding the Fourth Proportional to 18,385.47, 27,582.30 and 6,698.69

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Solution

The fourth proportional to 18,385.47, 27,582.30 and 6,698.69 is: 10,049.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.47 : 27,582.30 = 6,698.69 : x
  2. Step 2: Convert to fraction form
    18,385.47/27,582.30 = 6,698.69/x
  3. Step 3: Cross multiply
    18,385.47x = 27,582.30 × 6,698.69
  4. Step 4: Simplify right side
    18,385.47x = 184,765,277.19
  5. Step 5: Solve for x
    x = 184,765,277.19/18,385.47
  6. Step 6: Final answer
    x = 10,049.53

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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.