Home / 18,595.39-27,897.47-6,115.45

Finding the Fourth Proportional to 18,595.39, 27,897.47 and 6,115.45

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Solution

The fourth proportional to 18,595.39, 27,897.47 and 6,115.45 is: 9,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.39 : 27,897.47 = 6,115.45 : x
  2. Step 2: Convert to fraction form
    18,595.39/27,897.47 = 6,115.45/x
  3. Step 3: Cross multiply
    18,595.39x = 27,897.47 × 6,115.45
  4. Step 4: Simplify right side
    18,595.39x = 170,605,412.85
  5. Step 5: Solve for x
    x = 170,605,412.85/18,595.39
  6. Step 6: Final answer
    x = 9,174.61

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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.