Home / 14,277.08-21,381.78-8,342.12

Finding the Fourth Proportional to 14,277.08, 21,381.78 and 8,342.12

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Solution

The fourth proportional to 14,277.08, 21,381.78 and 8,342.12 is: 12,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.08 : 21,381.78 = 8,342.12 : x
  2. Step 2: Convert to fraction form
    14,277.08/21,381.78 = 8,342.12/x
  3. Step 3: Cross multiply
    14,277.08x = 21,381.78 × 8,342.12
  4. Step 4: Simplify right side
    14,277.08x = 178,369,374.57
  5. Step 5: Solve for x
    x = 178,369,374.57/14,277.08
  6. Step 6: Final answer
    x = 12,493.41

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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.