Home / 13,004.04-17,888.88-11,403.48

Finding the Fourth Proportional to 13,004.04, 17,888.88 and 11,403.48

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Solution

The fourth proportional to 13,004.04, 17,888.88 and 11,403.48 is: 15,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004.04 : 17,888.88 = 11,403.48 : x
  2. Step 2: Convert to fraction form
    13,004.04/17,888.88 = 11,403.48/x
  3. Step 3: Cross multiply
    13,004.04x = 17,888.88 × 11,403.48
  4. Step 4: Simplify right side
    13,004.04x = 203,995,485.30
  5. Step 5: Solve for x
    x = 203,995,485.30/13,004.04
  6. Step 6: Final answer
    x = 15,687.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.