Home / 13,942.12-19,237.24-8,276.08

Finding the Fourth Proportional to 13,942.12, 19,237.24 and 8,276.08

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Solution

The fourth proportional to 13,942.12, 19,237.24 and 8,276.08 is: 11,419.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.12 : 19,237.24 = 8,276.08 : x
  2. Step 2: Convert to fraction form
    13,942.12/19,237.24 = 8,276.08/x
  3. Step 3: Cross multiply
    13,942.12x = 19,237.24 × 8,276.08
  4. Step 4: Simplify right side
    13,942.12x = 159,208,937.22
  5. Step 5: Solve for x
    x = 159,208,937.22/13,942.12
  6. Step 6: Final answer
    x = 11,419.28

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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.