Home / 19,499.40-29,207.16-11,156

Finding the Fourth Proportional to 19,499.40, 29,207.16 and 11,156

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Solution

The fourth proportional to 19,499.40, 29,207.16 and 11,156 is: 16,710.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,499.40 : 29,207.16 = 11,156 : x
  2. Step 2: Convert to fraction form
    19,499.40/29,207.16 = 11,156/x
  3. Step 3: Cross multiply
    19,499.40x = 29,207.16 × 11,156
  4. Step 4: Simplify right side
    19,499.40x = 325,835,076.96
  5. Step 5: Solve for x
    x = 325,835,076.96/19,499.40
  6. Step 6: Final answer
    x = 16,710.01

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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.