Home / 13,254.37-18,291.49-7,286.58

Finding the Fourth Proportional to 13,254.37, 18,291.49 and 7,286.58

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Solution

The fourth proportional to 13,254.37, 18,291.49 and 7,286.58 is: 10,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.37 : 18,291.49 = 7,286.58 : x
  2. Step 2: Convert to fraction form
    13,254.37/18,291.49 = 7,286.58/x
  3. Step 3: Cross multiply
    13,254.37x = 18,291.49 × 7,286.58
  4. Step 4: Simplify right side
    13,254.37x = 133,282,386.99
  5. Step 5: Solve for x
    x = 133,282,386.99/13,254.37
  6. Step 6: Final answer
    x = 10,055.73

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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.