Home / 13,326.12-18,395.52-9,091.16

Finding the Fourth Proportional to 13,326.12, 18,395.52 and 9,091.16

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Solution

The fourth proportional to 13,326.12, 18,395.52 and 9,091.16 is: 12,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.12 : 18,395.52 = 9,091.16 : x
  2. Step 2: Convert to fraction form
    13,326.12/18,395.52 = 9,091.16/x
  3. Step 3: Cross multiply
    13,326.12x = 18,395.52 × 9,091.16
  4. Step 4: Simplify right side
    13,326.12x = 167,236,615.60
  5. Step 5: Solve for x
    x = 167,236,615.60/13,326.12
  6. Step 6: Final answer
    x = 12,549.54

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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.