Home / 18,518.49-27,780.63-6,035.61

Finding the Fourth Proportional to 18,518.49, 27,780.63 and 6,035.61

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Solution

The fourth proportional to 18,518.49, 27,780.63 and 6,035.61 is: 9,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518.49 : 27,780.63 = 6,035.61 : x
  2. Step 2: Convert to fraction form
    18,518.49/27,780.63 = 6,035.61/x
  3. Step 3: Cross multiply
    18,518.49x = 27,780.63 × 6,035.61
  4. Step 4: Simplify right side
    18,518.49x = 167,673,048.23
  5. Step 5: Solve for x
    x = 167,673,048.23/18,518.49
  6. Step 6: Final answer
    x = 9,054.36

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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.