Home / 13,210.17-19,815.32-3,349.47

Finding the Fourth Proportional to 13,210.17, 19,815.32 and 3,349.47

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Solution

The fourth proportional to 13,210.17, 19,815.32 and 3,349.47 is: 5,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.17 : 19,815.32 = 3,349.47 : x
  2. Step 2: Convert to fraction form
    13,210.17/19,815.32 = 3,349.47/x
  3. Step 3: Cross multiply
    13,210.17x = 19,815.32 × 3,349.47
  4. Step 4: Simplify right side
    13,210.17x = 66,370,819.88
  5. Step 5: Solve for x
    x = 66,370,819.88/13,210.17
  6. Step 6: Final answer
    x = 5,024.22

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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.