Home / 14,159.13-21,238.76-3,770.88

Finding the Fourth Proportional to 14,159.13, 21,238.76 and 3,770.88

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Solution

The fourth proportional to 14,159.13, 21,238.76 and 3,770.88 is: 5,656.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.13 : 21,238.76 = 3,770.88 : x
  2. Step 2: Convert to fraction form
    14,159.13/21,238.76 = 3,770.88/x
  3. Step 3: Cross multiply
    14,159.13x = 21,238.76 × 3,770.88
  4. Step 4: Simplify right side
    14,159.13x = 80,088,815.31
  5. Step 5: Solve for x
    x = 80,088,815.31/14,159.13
  6. Step 6: Final answer
    x = 5,656.34

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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.