Home / 14,199.84-21,300.96-3,812.16

Finding the Fourth Proportional to 14,199.84, 21,300.96 and 3,812.16

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Solution

The fourth proportional to 14,199.84, 21,300.96 and 3,812.16 is: 5,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,199.84 : 21,300.96 = 3,812.16 : x
  2. Step 2: Convert to fraction form
    14,199.84/21,300.96 = 3,812.16/x
  3. Step 3: Cross multiply
    14,199.84x = 21,300.96 × 3,812.16
  4. Step 4: Simplify right side
    14,199.84x = 81,202,667.67
  5. Step 5: Solve for x
    x = 81,202,667.67/14,199.84
  6. Step 6: Final answer
    x = 5,718.56

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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.