Home / 13,346.78-18,417.97-7,296.90

Finding the Fourth Proportional to 13,346.78, 18,417.97 and 7,296.90

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Solution

The fourth proportional to 13,346.78, 18,417.97 and 7,296.90 is: 10,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.78 : 18,417.97 = 7,296.90 : x
  2. Step 2: Convert to fraction form
    13,346.78/18,417.97 = 7,296.90/x
  3. Step 3: Cross multiply
    13,346.78x = 18,417.97 × 7,296.90
  4. Step 4: Simplify right side
    13,346.78x = 134,394,128.95
  5. Step 5: Solve for x
    x = 134,394,128.95/13,346.78
  6. Step 6: Final answer
    x = 10,069.41

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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.