Home / 13,254.50-18,291.23-7,286.06

Finding the Fourth Proportional to 13,254.50, 18,291.23 and 7,286.06

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Solution

The fourth proportional to 13,254.50, 18,291.23 and 7,286.06 is: 10,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.50 : 18,291.23 = 7,286.06 : x
  2. Step 2: Convert to fraction form
    13,254.50/18,291.23 = 7,286.06/x
  3. Step 3: Cross multiply
    13,254.50x = 18,291.23 × 7,286.06
  4. Step 4: Simplify right side
    13,254.50x = 133,270,999.25
  5. Step 5: Solve for x
    x = 133,270,999.25/13,254.50
  6. Step 6: Final answer
    x = 10,054.77

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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.