Home / 18,701.69-28,052.64-5,554.17

Finding the Fourth Proportional to 18,701.69, 28,052.64 and 5,554.17

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Solution

The fourth proportional to 18,701.69, 28,052.64 and 5,554.17 is: 8,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.69 : 28,052.64 = 5,554.17 : x
  2. Step 2: Convert to fraction form
    18,701.69/28,052.64 = 5,554.17/x
  3. Step 3: Cross multiply
    18,701.69x = 28,052.64 × 5,554.17
  4. Step 4: Simplify right side
    18,701.69x = 155,809,131.51
  5. Step 5: Solve for x
    x = 155,809,131.51/18,701.69
  6. Step 6: Final answer
    x = 8,331.29

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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.