Home / 18,486.50-27,732.47-5,338.98

Finding the Fourth Proportional to 18,486.50, 27,732.47 and 5,338.98

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Solution

The fourth proportional to 18,486.50, 27,732.47 and 5,338.98 is: 8,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486.50 : 27,732.47 = 5,338.98 : x
  2. Step 2: Convert to fraction form
    18,486.50/27,732.47 = 5,338.98/x
  3. Step 3: Cross multiply
    18,486.50x = 27,732.47 × 5,338.98
  4. Step 4: Simplify right side
    18,486.50x = 148,063,075.99
  5. Step 5: Solve for x
    x = 148,063,075.99/18,486.50
  6. Step 6: Final answer
    x = 8,009.26

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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.