Home / 19,736.79-29,609.80-13,499.74

Finding the Fourth Proportional to 19,736.79, 29,609.80 and 13,499.74

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Solution

The fourth proportional to 19,736.79, 29,609.80 and 13,499.74 is: 20,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.79 : 29,609.80 = 13,499.74 : x
  2. Step 2: Convert to fraction form
    19,736.79/29,609.80 = 13,499.74/x
  3. Step 3: Cross multiply
    19,736.79x = 29,609.80 × 13,499.74
  4. Step 4: Simplify right side
    19,736.79x = 399,724,604.71
  5. Step 5: Solve for x
    x = 399,724,604.71/19,736.79
  6. Step 6: Final answer
    x = 20,252.77

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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.