Home / 14,376.12-21,551.40-5,609.04

Finding the Fourth Proportional to 14,376.12, 21,551.40 and 5,609.04

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Solution

The fourth proportional to 14,376.12, 21,551.40 and 5,609.04 is: 8,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,376.12 : 21,551.40 = 5,609.04 : x
  2. Step 2: Convert to fraction form
    14,376.12/21,551.40 = 5,609.04/x
  3. Step 3: Cross multiply
    14,376.12x = 21,551.40 × 5,609.04
  4. Step 4: Simplify right side
    14,376.12x = 120,882,664.66
  5. Step 5: Solve for x
    x = 120,882,664.66/14,376.12
  6. Step 6: Final answer
    x = 8,408.57

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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.