Home / 19,926.32-29,901.74-8,239.50

Finding the Fourth Proportional to 19,926.32, 29,901.74 and 8,239.50

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Solution

The fourth proportional to 19,926.32, 29,901.74 and 8,239.50 is: 12,364.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.32 : 29,901.74 = 8,239.50 : x
  2. Step 2: Convert to fraction form
    19,926.32/29,901.74 = 8,239.50/x
  3. Step 3: Cross multiply
    19,926.32x = 29,901.74 × 8,239.50
  4. Step 4: Simplify right side
    19,926.32x = 246,375,345.53
  5. Step 5: Solve for x
    x = 246,375,345.53/19,926.32
  6. Step 6: Final answer
    x = 12,364.32

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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.