Home / 19,835.32-29,721.36-10,474.96

Finding the Fourth Proportional to 19,835.32, 29,721.36 and 10,474.96

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Solution

The fourth proportional to 19,835.32, 29,721.36 and 10,474.96 is: 15,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.32 : 29,721.36 = 10,474.96 : x
  2. Step 2: Convert to fraction form
    19,835.32/29,721.36 = 10,474.96/x
  3. Step 3: Cross multiply
    19,835.32x = 29,721.36 × 10,474.96
  4. Step 4: Simplify right side
    19,835.32x = 311,330,057.15
  5. Step 5: Solve for x
    x = 311,330,057.15/19,835.32
  6. Step 6: Final answer
    x = 15,695.74

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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.