Home / 13,429.45-18,532.97-7,461.37

Finding the Fourth Proportional to 13,429.45, 18,532.97 and 7,461.37

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Solution

The fourth proportional to 13,429.45, 18,532.97 and 7,461.37 is: 10,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.45 : 18,532.97 = 7,461.37 : x
  2. Step 2: Convert to fraction form
    13,429.45/18,532.97 = 7,461.37/x
  3. Step 3: Cross multiply
    13,429.45x = 18,532.97 × 7,461.37
  4. Step 4: Simplify right side
    13,429.45x = 138,281,346.37
  5. Step 5: Solve for x
    x = 138,281,346.37/13,429.45
  6. Step 6: Final answer
    x = 10,296.87

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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.