Home / 10,466.39-15,696.45-3,445.11

Finding the Fourth Proportional to 10,466.39, 15,696.45 and 3,445.11

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Solution

The fourth proportional to 10,466.39, 15,696.45 and 3,445.11 is: 5,166.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,466.39 : 15,696.45 = 3,445.11 : x
  2. Step 2: Convert to fraction form
    10,466.39/15,696.45 = 3,445.11/x
  3. Step 3: Cross multiply
    10,466.39x = 15,696.45 × 3,445.11
  4. Step 4: Simplify right side
    10,466.39x = 54,075,996.86
  5. Step 5: Solve for x
    x = 54,075,996.86/10,466.39
  6. Step 6: Final answer
    x = 5,166.63

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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.