Home / 13,125.08-19,682.06-7,200.27

Finding the Fourth Proportional to 13,125.08, 19,682.06 and 7,200.27

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Solution

The fourth proportional to 13,125.08, 19,682.06 and 7,200.27 is: 10,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.08 : 19,682.06 = 7,200.27 : x
  2. Step 2: Convert to fraction form
    13,125.08/19,682.06 = 7,200.27/x
  3. Step 3: Cross multiply
    13,125.08x = 19,682.06 × 7,200.27
  4. Step 4: Simplify right side
    13,125.08x = 141,716,164.16
  5. Step 5: Solve for x
    x = 141,716,164.16/13,125.08
  6. Step 6: Final answer
    x = 10,797.36

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1.5x scale

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.