Home / 13,197.86-19,749.64-11,463.30

Finding the Fourth Proportional to 13,197.86, 19,749.64 and 11,463.30

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Solution

The fourth proportional to 13,197.86, 19,749.64 and 11,463.30 is: 17,153.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.86 : 19,749.64 = 11,463.30 : x
  2. Step 2: Convert to fraction form
    13,197.86/19,749.64 = 11,463.30/x
  3. Step 3: Cross multiply
    13,197.86x = 19,749.64 × 11,463.30
  4. Step 4: Simplify right side
    13,197.86x = 226,395,937.14
  5. Step 5: Solve for x
    x = 226,395,937.14/13,197.86
  6. Step 6: Final answer
    x = 17,153.99

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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.