Home / 13,276.92-18,322.06-7,308.43

Finding the Fourth Proportional to 13,276.92, 18,322.06 and 7,308.43

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Solution

The fourth proportional to 13,276.92, 18,322.06 and 7,308.43 is: 10,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.92 : 18,322.06 = 7,308.43 : x
  2. Step 2: Convert to fraction form
    13,276.92/18,322.06 = 7,308.43/x
  3. Step 3: Cross multiply
    13,276.92x = 18,322.06 × 7,308.43
  4. Step 4: Simplify right side
    13,276.92x = 133,905,492.97
  5. Step 5: Solve for x
    x = 133,905,492.97/13,276.92
  6. Step 6: Final answer
    x = 10,085.58

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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.