Home / 18,817.84-28,224.01-5,487.25

Finding the Fourth Proportional to 18,817.84, 28,224.01 and 5,487.25

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Solution

The fourth proportional to 18,817.84, 28,224.01 and 5,487.25 is: 8,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.84 : 28,224.01 = 5,487.25 : x
  2. Step 2: Convert to fraction form
    18,817.84/28,224.01 = 5,487.25/x
  3. Step 3: Cross multiply
    18,817.84x = 28,224.01 × 5,487.25
  4. Step 4: Simplify right side
    18,817.84x = 154,872,308.81
  5. Step 5: Solve for x
    x = 154,872,308.81/18,817.84
  6. Step 6: Final answer
    x = 8,230.08

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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.