Home / 10,261.14-15,389.48-2,764.53

Finding the Fourth Proportional to 10,261.14, 15,389.48 and 2,764.53

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Solution

The fourth proportional to 10,261.14, 15,389.48 and 2,764.53 is: 4,146.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.14 : 15,389.48 = 2,764.53 : x
  2. Step 2: Convert to fraction form
    10,261.14/15,389.48 = 2,764.53/x
  3. Step 3: Cross multiply
    10,261.14x = 15,389.48 × 2,764.53
  4. Step 4: Simplify right side
    10,261.14x = 42,544,602.20
  5. Step 5: Solve for x
    x = 42,544,602.20/10,261.14
  6. Step 6: Final answer
    x = 4,146.19

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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.