Home / 14,051.70-21,077.55-13,245.30

Finding the Fourth Proportional to 14,051.70, 21,077.55 and 13,245.30

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Solution

The fourth proportional to 14,051.70, 21,077.55 and 13,245.30 is: 19,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.70 : 21,077.55 = 13,245.30 : x
  2. Step 2: Convert to fraction form
    14,051.70/21,077.55 = 13,245.30/x
  3. Step 3: Cross multiply
    14,051.70x = 21,077.55 × 13,245.30
  4. Step 4: Simplify right side
    14,051.70x = 279,178,473.02
  5. Step 5: Solve for x
    x = 279,178,473.02/14,051.70
  6. Step 6: Final answer
    x = 19,867.95

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Similar ratio
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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.