Home / 14,162.96-21,200.70-12,953.36

Finding the Fourth Proportional to 14,162.96, 21,200.70 and 12,953.36

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Solution

The fourth proportional to 14,162.96, 21,200.70 and 12,953.36 is: 19,390.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.96 : 21,200.70 = 12,953.36 : x
  2. Step 2: Convert to fraction form
    14,162.96/21,200.70 = 12,953.36/x
  3. Step 3: Cross multiply
    14,162.96x = 21,200.70 × 12,953.36
  4. Step 4: Simplify right side
    14,162.96x = 274,620,299.35
  5. Step 5: Solve for x
    x = 274,620,299.35/14,162.96
  6. Step 6: Final answer
    x = 19,390.04

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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.