Home / 12,749.23-17,602.41-9,395.83

Finding the Fourth Proportional to 12,749.23, 17,602.41 and 9,395.83

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Solution

The fourth proportional to 12,749.23, 17,602.41 and 9,395.83 is: 12,972.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.23 : 17,602.41 = 9,395.83 : x
  2. Step 2: Convert to fraction form
    12,749.23/17,602.41 = 9,395.83/x
  3. Step 3: Cross multiply
    12,749.23x = 17,602.41 × 9,395.83
  4. Step 4: Simplify right side
    12,749.23x = 165,389,251.95
  5. Step 5: Solve for x
    x = 165,389,251.95/12,749.23
  6. Step 6: Final answer
    x = 12,972.49

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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.