Home / 12,735.32-19,110.41-5,339.21

Finding the Fourth Proportional to 12,735.32, 19,110.41 and 5,339.21

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Solution

The fourth proportional to 12,735.32, 19,110.41 and 5,339.21 is: 8,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,735.32 : 19,110.41 = 5,339.21 : x
  2. Step 2: Convert to fraction form
    12,735.32/19,110.41 = 5,339.21/x
  3. Step 3: Cross multiply
    12,735.32x = 19,110.41 × 5,339.21
  4. Step 4: Simplify right side
    12,735.32x = 102,034,492.18
  5. Step 5: Solve for x
    x = 102,034,492.18/12,735.32
  6. Step 6: Final answer
    x = 8,011.93

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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.