Home / 13,256.06-18,292.64-7,286.76

Finding the Fourth Proportional to 13,256.06, 18,292.64 and 7,286.76

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Solution

The fourth proportional to 13,256.06, 18,292.64 and 7,286.76 is: 10,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.06 : 18,292.64 = 7,286.76 : x
  2. Step 2: Convert to fraction form
    13,256.06/18,292.64 = 7,286.76/x
  3. Step 3: Cross multiply
    13,256.06x = 18,292.64 × 7,286.76
  4. Step 4: Simplify right side
    13,256.06x = 133,294,041.01
  5. Step 5: Solve for x
    x = 133,294,041.01/13,256.06
  6. Step 6: Final answer
    x = 10,055.33

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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.