Home / 13,435.52-20,145.44-5,116.11

Finding the Fourth Proportional to 13,435.52, 20,145.44 and 5,116.11

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Solution

The fourth proportional to 13,435.52, 20,145.44 and 5,116.11 is: 7,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.52 : 20,145.44 = 5,116.11 : x
  2. Step 2: Convert to fraction form
    13,435.52/20,145.44 = 5,116.11/x
  3. Step 3: Cross multiply
    13,435.52x = 20,145.44 × 5,116.11
  4. Step 4: Simplify right side
    13,435.52x = 103,066,261.46
  5. Step 5: Solve for x
    x = 103,066,261.46/13,435.52
  6. Step 6: Final answer
    x = 7,671.18

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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.