Home / 13,254.99-18,292.14-7,286.91

Finding the Fourth Proportional to 13,254.99, 18,292.14 and 7,286.91

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Solution

The fourth proportional to 13,254.99, 18,292.14 and 7,286.91 is: 10,056.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.99 : 18,292.14 = 7,286.91 : x
  2. Step 2: Convert to fraction form
    13,254.99/18,292.14 = 7,286.91/x
  3. Step 3: Cross multiply
    13,254.99x = 18,292.14 × 7,286.91
  4. Step 4: Simplify right side
    13,254.99x = 133,293,177.89
  5. Step 5: Solve for x
    x = 133,293,177.89/13,254.99
  6. Step 6: Final answer
    x = 10,056.08

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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.