Home / 14,263.75-21,376.86-12,406.15

Finding the Fourth Proportional to 14,263.75, 21,376.86 and 12,406.15

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Solution

The fourth proportional to 14,263.75, 21,376.86 and 12,406.15 is: 18,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.75 : 21,376.86 = 12,406.15 : x
  2. Step 2: Convert to fraction form
    14,263.75/21,376.86 = 12,406.15/x
  3. Step 3: Cross multiply
    14,263.75x = 21,376.86 × 12,406.15
  4. Step 4: Simplify right side
    14,263.75x = 265,204,531.69
  5. Step 5: Solve for x
    x = 265,204,531.69/14,263.75
  6. Step 6: Final answer
    x = 18,592.90

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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.