Home / 10,802.30-16,203.46-3,407.51

Finding the Fourth Proportional to 10,802.30, 16,203.46 and 3,407.51

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Solution

The fourth proportional to 10,802.30, 16,203.46 and 3,407.51 is: 5,111.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.30 : 16,203.46 = 3,407.51 : x
  2. Step 2: Convert to fraction form
    10,802.30/16,203.46 = 3,407.51/x
  3. Step 3: Cross multiply
    10,802.30x = 16,203.46 × 3,407.51
  4. Step 4: Simplify right side
    10,802.30x = 55,213,483.97
  5. Step 5: Solve for x
    x = 55,213,483.97/10,802.30
  6. Step 6: Final answer
    x = 5,111.27

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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.