Home / 13,749.64-18,974.39-7,462.02

Finding the Fourth Proportional to 13,749.64, 18,974.39 and 7,462.02

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Solution

The fourth proportional to 13,749.64, 18,974.39 and 7,462.02 is: 10,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.64 : 18,974.39 = 7,462.02 : x
  2. Step 2: Convert to fraction form
    13,749.64/18,974.39 = 7,462.02/x
  3. Step 3: Cross multiply
    13,749.64x = 18,974.39 × 7,462.02
  4. Step 4: Simplify right side
    13,749.64x = 141,587,277.67
  5. Step 5: Solve for x
    x = 141,587,277.67/13,749.64
  6. Step 6: Final answer
    x = 10,297.53

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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.