Home / 13,356.14-20,036.03-5,563.13

Finding the Fourth Proportional to 13,356.14, 20,036.03 and 5,563.13

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Solution

The fourth proportional to 13,356.14, 20,036.03 and 5,563.13 is: 8,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.14 : 20,036.03 = 5,563.13 : x
  2. Step 2: Convert to fraction form
    13,356.14/20,036.03 = 5,563.13/x
  3. Step 3: Cross multiply
    13,356.14x = 20,036.03 × 5,563.13
  4. Step 4: Simplify right side
    13,356.14x = 111,462,911.58
  5. Step 5: Solve for x
    x = 111,462,911.58/13,356.14
  6. Step 6: Final answer
    x = 8,345.45

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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.