Home / 13,256.70-18,293.88-7,206.75

Finding the Fourth Proportional to 13,256.70, 18,293.88 and 7,206.75

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Solution

The fourth proportional to 13,256.70, 18,293.88 and 7,206.75 is: 9,945.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.70 : 18,293.88 = 7,206.75 : x
  2. Step 2: Convert to fraction form
    13,256.70/18,293.88 = 7,206.75/x
  3. Step 3: Cross multiply
    13,256.70x = 18,293.88 × 7,206.75
  4. Step 4: Simplify right side
    13,256.70x = 131,839,419.69
  5. Step 5: Solve for x
    x = 131,839,419.69/13,256.70
  6. Step 6: Final answer
    x = 9,945.12

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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.