Home / 9,213.12-13,817.64-2,637.84

Finding the Fourth Proportional to 9,213.12, 13,817.64 and 2,637.84

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Solution

The fourth proportional to 9,213.12, 13,817.64 and 2,637.84 is: 3,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.12 : 13,817.64 = 2,637.84 : x
  2. Step 2: Convert to fraction form
    9,213.12/13,817.64 = 2,637.84/x
  3. Step 3: Cross multiply
    9,213.12x = 13,817.64 × 2,637.84
  4. Step 4: Simplify right side
    9,213.12x = 36,448,723.50
  5. Step 5: Solve for x
    x = 36,448,723.50/9,213.12
  6. Step 6: Final answer
    x = 3,956.18

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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.