Home / 12,507.03-17,259.14-7,200.72

Finding the Fourth Proportional to 12,507.03, 17,259.14 and 7,200.72

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Solution

The fourth proportional to 12,507.03, 17,259.14 and 7,200.72 is: 9,936.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.03 : 17,259.14 = 7,200.72 : x
  2. Step 2: Convert to fraction form
    12,507.03/17,259.14 = 7,200.72/x
  3. Step 3: Cross multiply
    12,507.03x = 17,259.14 × 7,200.72
  4. Step 4: Simplify right side
    12,507.03x = 124,278,198.58
  5. Step 5: Solve for x
    x = 124,278,198.58/12,507.03
  6. Step 6: Final answer
    x = 9,936.67

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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.