Home / 13,268.00-18,191.18-13,031.08

Finding the Fourth Proportional to 13,268.00, 18,191.18 and 13,031.08

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Solution

The fourth proportional to 13,268.00, 18,191.18 and 13,031.08 is: 17,866.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.00 : 18,191.18 = 13,031.08 : x
  2. Step 2: Convert to fraction form
    13,268.00/18,191.18 = 13,031.08/x
  3. Step 3: Cross multiply
    13,268.00x = 18,191.18 × 13,031.08
  4. Step 4: Simplify right side
    13,268.00x = 237,050,708.97
  5. Step 5: Solve for x
    x = 237,050,708.97/13,268.00
  6. Step 6: Final answer
    x = 17,866.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.