Home / 13,458.49-20,187.55-4,693.38

Finding the Fourth Proportional to 13,458.49, 20,187.55 and 4,693.38

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Solution

The fourth proportional to 13,458.49, 20,187.55 and 4,693.38 is: 7,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458.49 : 20,187.55 = 4,693.38 : x
  2. Step 2: Convert to fraction form
    13,458.49/20,187.55 = 4,693.38/x
  3. Step 3: Cross multiply
    13,458.49x = 20,187.55 × 4,693.38
  4. Step 4: Simplify right side
    13,458.49x = 94,747,843.42
  5. Step 5: Solve for x
    x = 94,747,843.42/13,458.49
  6. Step 6: Final answer
    x = 7,040.01

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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.