Home / 19,889.28-29,835.36-6,039.36

Finding the Fourth Proportional to 19,889.28, 29,835.36 and 6,039.36

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Solution

The fourth proportional to 19,889.28, 29,835.36 and 6,039.36 is: 9,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.28 : 29,835.36 = 6,039.36 : x
  2. Step 2: Convert to fraction form
    19,889.28/29,835.36 = 6,039.36/x
  3. Step 3: Cross multiply
    19,889.28x = 29,835.36 × 6,039.36
  4. Step 4: Simplify right side
    19,889.28x = 180,186,479.77
  5. Step 5: Solve for x
    x = 180,186,479.77/19,889.28
  6. Step 6: Final answer
    x = 9,059.48

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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.