Home / 13,254.12-18,291.10-7,286.24

Finding the Fourth Proportional to 13,254.12, 18,291.10 and 7,286.24

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Solution

The fourth proportional to 13,254.12, 18,291.10 and 7,286.24 is: 10,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.12 : 18,291.10 = 7,286.24 : x
  2. Step 2: Convert to fraction form
    13,254.12/18,291.10 = 7,286.24/x
  3. Step 3: Cross multiply
    13,254.12x = 18,291.10 × 7,286.24
  4. Step 4: Simplify right side
    13,254.12x = 133,273,344.46
  5. Step 5: Solve for x
    x = 133,273,344.46/13,254.12
  6. Step 6: Final answer
    x = 10,055.24

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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.